{"id":47516,"date":"2026-09-14T09:06:46","date_gmt":"2026-09-14T00:06:46","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=47516"},"modified":"2026-09-14T09:16:27","modified_gmt":"2026-09-14T00:16:27","slug":"cc-numpy-log-guide","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/cc-numpy-log-guide\/","title":{"rendered":"\u30102026\u5e749\u6708\u6700\u65b0\u3011NumPy\u306enp.log\u3068\u306f\uff1fnp.array\u306e\u5bfe\u6570\u3092\u8a08\u7b97\u3059\u308bnp.log2\u30fbnp.log10\u30fbnp.log1p\u306e\u9055\u3044\u3092\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac"},"content":{"rendered":"\n<style>\n.g-flow-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;}\n.g-flow-item{background:linear-gradient(135deg,#1a1a1a,#2a1015);color:#fff;border-radius:8px;padding:16px 14px;min-width:130px;flex:1;text-align:center;}\n.g-flow-arrow{color:#dc2626;font-size:20px;font-weight:700;}\n.g-card-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 32px;}\n.g-card-row>div{flex:1;min-width:220px;}\n@media(max-width:600px){\n  .g-flow-row{flex-direction:column;}\n  .g-flow-arrow{transform:rotate(90deg);}\n  .g-card-row{flex-direction:column;}\n  .g-card-row>div{min-width:100%;}\n}\n<\/style>\n\n\n\n<div style=\"margin:0 0 32px;\">\n  <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/09\/thumb-cc-numpy-log-guide.jpg\" alt=\"\u30102026\u5e749\u6708\u6700\u65b0\u3011NumPy\u306enp.log\u3068\u306f\uff1fnp.array\u306e\u5bfe\u6570\u3092\u8a08\u7b97\u3059\u308bnp.log2\u30fbnp.log10\u30fbnp.log1p\u306e\u9055\u3044\u3092\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u5148\u6708\u304b\u3089\u5148\u3005\u6708\u306b\u304b\u3051\u3066\u3001\u58f2\u4e0a\u306f\u4f55%\u4f38\u3073\u305f\u306e\u304b\u300d\u300c\u8907\u6570\u306e\u5e97\u8217\u30fb\u5546\u54c1\u306e\u6210\u9577\u7387\u3092\u3001\u540c\u3058\u3082\u306e\u3055\u3057\u3067\u6bd4\u8f03\u3057\u305f\u3044\u300d\u2014\u2014\u3053\u306e\u3088\u3046\u306a\u300c\u4f38\u3073\u7387\u300d\u300c\u6210\u9577\u7387\u300d\u3092\u6271\u3046\u5834\u9762\u306f\u3001\u7d4c\u55b6\u306e\u73fe\u5834\u3067\u983b\u7e41\u306b\u767a\u751f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3084\u30c7\u30fc\u30bf\u5206\u6790\u30c4\u30fc\u30eb\u306b\u3053\u306e\u624b\u306e\u8a08\u7b97\u3092\u4f9d\u983c\u3059\u308b\u3068\u3001\u88cf\u5074\u3067\u306fPython\u3068\u3044\u3046\u8a00\u8a9e\u306e<strong>NumPy<\/strong>\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u542b\u307e\u308c\u308b<code>np.log<\/code>\u3068\u3044\u3046\u6a5f\u80fd\u304c\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u3002\u300c\u5bfe\u6570\uff08log\uff09\u300d\u3068\u805e\u304f\u3068\u6570\u5b66\u306e\u6388\u696d\u3092\u601d\u3044\u51fa\u3057\u3066\u8eab\u69cb\u3048\u3066\u3057\u307e\u3046\u65b9\u3082\u591a\u3044\u3068\u601d\u3044\u307e\u3059\u304c\u3001\u4ed5\u7d44\u307f\u3092\u7406\u89e3\u3057\u306a\u304f\u3066\u3082\u3001<strong>\u300c\u3044\u3064\u4f7f\u3046\u3068\u4fbf\u5229\u3067\u3001\u3044\u3064\u7f60\u306b\u30cf\u30de\u308b\u304b\u300d\u3060\u3051\u77e5\u3063\u3066\u3044\u308c\u3070\u5341\u5206\u306b\u696d\u52d9\u306b\u6d3b\u304b\u305b\u307e\u3059<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001np.log\u304c\u4f55\u3092\u3057\u3066\u3044\u308b\u306e\u304b\u3001\u4f3c\u305f\u540d\u524d\u3092\u6301\u3064<code>np.log2<\/code>\u30fb<code>np.log10<\/code>\u30fb<code>np.log1p<\/code>\u3068\u306e\u9055\u3044\u3092\u3001<strong>\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u306e\u65b9\u3067\u3082\u7406\u89e3\u3067\u304d\u308b\u8a00\u8449<\/strong>\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002\u5f8c\u534a\u3067\u306f\u3001\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u304cAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u300cClaude Code\u300d\u3092\u4f7f\u3063\u3066\u3001\u6210\u9577\u7387\u5206\u6790\u3092\u3069\u306e\u3088\u3046\u306b\u904b\u7528\u3057\u3066\u3044\u308b\u304b\u3082\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u5bfe\u6570\u300d\u3068\u805e\u304f\u3068\u8eab\u69cb\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001\u7d4c\u55b6\u8005\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u306e\u306f\u4e2d\u8eab\u306e\u6570\u5f0f\u3067\u306f\u306a\u304f\u3001\u300c\u306a\u305c\u58f2\u4e0a\u30b0\u30e9\u30d5\u3092\u5bfe\u6570\u3067\u898b\u308b\u3068\u6025\u306b\u5206\u304b\u308a\u3084\u3059\u304f\u306a\u308b\u306e\u304b\u300d\u3068\u3044\u3046\u5b9f\u52d9\u4e0a\u306e\u30e1\u30ea\u30c3\u30c8\u3067\u3059\u3002\u4eca\u65e5\u306f\u305d\u3053\u306b\u7d5e\u3063\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">np.log\u306e\u4ed5\u7d44\u307f\u3092\u5b8c\u5168\u306b\u7406\u89e3\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u300c0\u4ee5\u4e0b\u306e\u5024\u3092\u6e21\u3059\u3068\u8a08\u7b97\u304c\u304a\u304b\u3057\u304f\u306a\u308b\u3053\u3068\u304c\u3042\u308b\u300d\u3068\u77e5\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u5206\u6790\u7d50\u679c\u3092\u53d7\u3051\u53d6\u3063\u305f\u3068\u304d\u306b\u9055\u548c\u611f\u306b\u6c17\u3065\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3092\u6700\u5f8c\u307e\u3067\u8aad\u3080\u3068\u3001\u6b21\u306e6\u3064\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><code>np.log<\/code>\u304c\u300c\u4f55\u3092\u300d\u300c\u3069\u3046\u300d\u8a08\u7b97\u3057\u3066\u3044\u308b\u304b\u306e\u57fa\u672c\u30a4\u30e1\u30fc\u30b8<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>np.log2\u30fbnp.log10\u30fbnp.log1p<\/strong>\u305d\u308c\u305e\u308c\u306e\u4f7f\u3044\u5206\u3051<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>0\u3084\u8ca0\u306e\u5024<\/strong>\u3092\u6e21\u3057\u305f\u5834\u5408\u306b\u4f55\u304c\u8d77\u304d\u308b\u304b\uff08\u5b9f\u52d9\u3067\u306e\u843d\u3068\u3057\u7a74\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u58f2\u4e0a\u306e<strong>\u300c\u4f38\u3073\u7387\u300d\u3092\u5bfe\u6570\u3067\u6b63\u3057\u304f\u6bd4\u8f03\u3059\u308b<\/strong>\u305f\u3081\u306e\u8003\u3048\u65b9<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5f0a\u793eGENAI\u304c<strong>\u6210\u9577\u7387\u5206\u6790\u3092AI\u3068\u3069\u3046\u904b\u7528\u3057\u3066\u3044\u308b\u304b<\/strong>\u306e\u5b9f\u30c7\u30fc\u30bf<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u5206\u6790\u7d50\u679c\u306e\u7570\u5e38\u306b\u6c17\u3065\u3051\u308b<\/strong>\u3088\u3046\u306b\u306a\u308b\u5177\u4f53\u7684\u306a\u624b\u9806<\/span><\/div>\n\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-01\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">01<\/span>\n  <span class=\"section-label\" style=\"display:block;\">WHY IT MATTERS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u7d4c\u55b6\u8005\u30fb\u7ba1\u7406\u8077\u304c\u300c\u5bfe\u6570\uff08log\uff09\u300d\u3067\u3064\u307e\u305a\u304f\u7406\u7531<\/span>\n  <span class=\"section-desc\">\u6210\u9577\u7387\u3092\u6b63\u3057\u304f\u6bd4\u8f03\u3057\u305f\u3044\u3060\u3051\u306a\u306e\u306b\u3001\u6570\u5b57\u304c\u76f4\u611f\u3068\u565b\u307f\u5408\u308f\u306a\u3044<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u5bfe\u6570\u300d\u3068\u3044\u3046\u8a00\u8449\u81ea\u4f53\u306f\u9ad8\u6821\u6570\u5b66\u3067\u7fd2\u3063\u305f\u8a18\u61b6\u304c\u3042\u308b\u65b9\u3082\u591a\u3044\u306f\u305a\u3067\u3059\u304c\u3001\u5b9f\u52d9\u306e\u30c7\u30fc\u30bf\u5206\u6790\u3067AI\u3084\u30a2\u30ca\u30ea\u30b9\u30c8\u304b\u3089\u300c\u5bfe\u6570\u3067\u898b\u308b\u3068\u5206\u304b\u308a\u3084\u3059\u3044\u3067\u3059\u300d\u3068\u8a00\u308f\u308c\u3066\u3082\u3001\u6b21\u306e\u3088\u3046\u306a\u7591\u554f\u304c\u6b8b\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u58f2\u4e0a\u304c2\u500d\u306b\u306a\u3063\u305f\u300d\u3068\u300c\u58f2\u4e0a\u304c1.5\u500d\u306b\u306a\u3063\u305f\u300d\u3092\u3001\u30d1\u30fc\u30bb\u30f3\u30c8\u3060\u3051\u3067\u306a\u304f\u5225\u306e\u6307\u6a19\u3067\u6bd4\u3079\u305f\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8907\u6570\u5e74\u306e\u58f2\u4e0a\u30b0\u30e9\u30d5\u304c\u6025\u30ab\u30fc\u30d6\u306b\u306a\u308a\u3059\u304e\u3066\u3001\u521d\u671f\u306e\u5909\u5316\u304c\u30b0\u30e9\u30d5\u4e0a\u3067\u3064\u3076\u308c\u3066\u898b\u3048\u306a\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u524d\u5e74\u6bd4130%\u300d\u306e\u3088\u3046\u306a\u4f38\u3073\u7387\u3092\u3001\u8907\u6570\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u5358\u7d14\u306b\u8db3\u3057\u7b97\u30fb\u5f15\u304d\u7b97\u3057\u3066\u3044\u3044\u306e\u304b\u5206\u304b\u3089\u306a\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>AI\u306e\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u306b\u300c\u5bfe\u6570\u5909\u63db\u300d\u3068\u3044\u3046\u8a00\u8449\u304c\u51fa\u3066\u304d\u3066\u3001\u4f55\u3092\u3055\u308c\u305f\u306e\u304b\u5206\u304b\u3089\u306a\u3044\u307e\u307e\u6570\u5b57\u3092\u53d7\u3051\u53d6\u3063\u3066\u3044\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3057\u305f\u7591\u554f\u306e\u80cc\u666f\u306b\u306f\u3001\u591a\u304f\u306e\u5834\u5408<strong>\u300c\u639b\u3051\u7b97\u30fb\u5272\u308a\u7b97\u3067\u5897\u6e1b\u3059\u308b\u6570\u5b57\uff08\u6210\u9577\u7387\u306a\u3069\uff09\u3092\u3001\u8db3\u3057\u7b97\u30fb\u5f15\u304d\u7b97\u306e\u611f\u899a\u3067\u6bd4\u8f03\u3067\u304d\u308b\u3088\u3046\u306b\u5909\u63db\u3059\u308b\u300d<\/strong>\u3068\u3044\u3046\u3001\u5bfe\u6570\u306e\u5b9f\u52d9\u7684\u306a\u5f79\u5272\u304c\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u5909\u63db\u306e\u4ed5\u7d44\u307f\u305d\u306e\u3082\u306e\u3092\u899a\u3048\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u300c\u5bfe\u6570\u3092\u4f7f\u3046\u3068\u3053\u3046\u3044\u3046\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308b\u300d\u3068\u3044\u3046\u52d8\u6240\u3092\u77e5\u3063\u3066\u304a\u304f\u3068\u3001AI\u306e\u5206\u6790\u7d50\u679c\u3084\u30b0\u30e9\u30d5\u306e\u898b\u65b9\u304c\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u7d4c\u55b6\u8005\u304c\u62bc\u3055\u3048\u308b\u3079\u304d\u512a\u5148\u5ea6<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u8907\u6570\u5e74\u30fb\u8907\u6570\u5e97\u8217\u306e<strong>\u300c\u4f38\u3073\u7387\u300d\u3092\u6a2a\u4e26\u3073\u3067\u6bd4\u8f03\u3059\u308b\u5834\u9762<\/strong>\u3067\u306f\u3001\u5bfe\u6570\u3092\u4f7f\u3063\u305f\u5206\u6790\u3084\u30b0\u30e9\u30d5\u304c\u767b\u5834\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u5206\u6790\u62c5\u5f53\u8005\u3084AI\u304b\u3089\u300c\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3067\u898b\u3066\u3044\u307e\u3059\u300d\u3068\u8a00\u308f\u308c\u305f\u3089\u3001\u300c\u6025\u6fc0\u306a\u5909\u5316\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306e\u5de5\u592b\u300d\u3068\u7406\u89e3\u3057\u3066\u304a\u3051\u3070\u5341\u5206\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">1-1. \u300c\u4f38\u3073\u7387\u300d\u306f\u639b\u3051\u7b97\u306e\u4e16\u754c\u306e\u6570\u5b57<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u58f2\u4e0a\u304c\u300c\u524d\u5e74\u6bd4130%\u300d\u3068\u3044\u3046\u306e\u306f\u3001\u5b9f\u969b\u306b\u306f\u300c1.3\u500d\u300d\u3068\u3044\u3046<strong>\u639b\u3051\u7b97<\/strong>\u306e\u8a71\u3067\u3059\u30023\u5e74\u9023\u7d9a\u3067130%\u6210\u9577\u3057\u305f\u5834\u5408\u3001\u5358\u7d14\u306b130%\u00d73=390%\u306b\u306f\u306a\u3089\u305a\u30011.3\u00d71.3\u00d71.3=\u7d042.20\u500d\uff08\u7d04220%\u6210\u9577\uff09\u3068\u3044\u3046\u639b\u3051\u7b97\u306e\u7a4d\u307f\u91cd\u306d\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u300c\u639b\u3051\u7b97\u3067\u5897\u3048\u3066\u3044\u304f\u6570\u5b57\u300d\u3092\u6271\u3046\u969b\u306b\u3001\u5bfe\u6570\u304c\u5f37\u529b\u306a\u6b66\u5668\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b21\u7ae0\u304b\u3089\u3001\u3053\u306e\u5bfe\u6570\u306e\u4ed5\u7d44\u307f\u3092\u5177\u4f53\u7684\u306b\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-02\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">02<\/span>\n  <span class=\"section-label\" style=\"display:block;\">THE BASICS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">np.log\u3068\u306f\u4f55\u304b\u2014\u2014NumPy\u3067\u81ea\u7136\u5bfe\u6570\u3092\u6c42\u3081\u308b\u95a2\u6570<\/span>\n  <span class=\"section-desc\">Python\u306e\u30c7\u30fc\u30bf\u5206\u6790\u3067\u6a19\u6e96\u7684\u306b\u4f7f\u308f\u308c\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u6a5f\u80fd<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>np.log<\/code>\u306f\u3001<strong>NumPy<\/strong>\u3068\u3044\u3046Python\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306b\u542b\u307e\u308c\u308b\u6a5f\u80fd\uff08\u95a2\u6570\uff09\u3067\u3001<strong>\u914d\u5217\uff08\u8907\u6570\u306e\u6570\u5024\u3092\u307e\u3068\u3081\u305f\u30c7\u30fc\u30bf\uff09\u306e\u5404\u5024\u306b\u3064\u3044\u3066\u3001\u81ea\u7136\u5bfe\u6570\uff08\u5e95\u304ce\u3068\u3044\u3046\u7279\u5225\u306a\u5b9a\u6570\u306e\u5bfe\u6570\uff09\u3092\u8a08\u7b97\u3059\u308b<\/strong>\u305f\u3081\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>NumPy\uff08\u30ca\u30f3\u30d1\u30a4\uff09<\/strong>\uff1aPython\u3067\u6570\u5024\u8a08\u7b97\u30fb\u30c7\u30fc\u30bf\u5206\u6790\u3092\u884c\u3046\u969b\u306b\u3001\u307b\u307c\u6a19\u6e96\u7684\u306b\u4f7f\u308f\u308c\u308b\u30e9\u30a4\u30d6\u30e9\u30ea\uff08\u62e1\u5f35\u6a5f\u80fd\uff09\u3002\u5927\u91cf\u306e\u6570\u5024\u30c7\u30fc\u30bf\u3092\u9ad8\u901f\u306b\u51e6\u7406\u3067\u304d\u308b\u4ed5\u7d44\u307f\u304c\u5099\u308f\u3063\u3066\u304a\u308a\u3001\u58f2\u4e0a\u30c7\u30fc\u30bf\u3084\u5e83\u544a\u30c7\u30fc\u30bf\u306e\u96c6\u8a08\u30fb\u5206\u6790\u3067\u3082\u571f\u53f0\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u81ea\u7136\u5bfe\u6570\uff08\u3057\u305c\u3093\u305f\u3044\u3059\u3046\uff09<\/strong>\uff1a\u6570\u5b66\u5b9a\u6570e\uff08\u7d042.71828\u2026\uff09\u3092\u5e95\uff08\u3066\u3044\uff09\u3068\u3059\u308b\u5bfe\u6570\u306e\u3053\u3068\u3002\u300ce\u3092\u4f55\u4e57\u3059\u308c\u3070\u305d\u306e\u6570\u306b\u306a\u308b\u304b\u300d\u3092\u8868\u3059\u3002\u6210\u9577\u7387\u3084\u8907\u5229\u8a08\u7b97\u306a\u3069\u3001\u9023\u7d9a\u7684\u306b\u5897\u6e1b\u3059\u308b\u73fe\u8c61\u3092\u6271\u3046\u5206\u6790\u3067\u6a19\u6e96\u7684\u306b\u4f7f\u308f\u308c\u308b\u5bfe\u6570\u306e\u7a2e\u985e\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u4f8b\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\nsales_ratio = np.array([1.0, 1.3, 1.69, 2.197])  # \u524d\u5e74\u6bd4\u306e\u63a8\u79fb\uff081.3\u500d\u305a\u3064\u6210\u9577\uff09\nprint(np.log(sales_ratio))\n# [0.         0.26236426 0.52472852 0.78709278]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u4f8b\u3067\u306f\u3001\u300c1.3\u500d\u300d\u306e\u6210\u9577\u304c3\u56de\u7d9a\u3044\u305f\u5834\u5408\u306e\u58f2\u4e0a\u6bd4\u7387\u3092\u5bfe\u6570\u306b\u5909\u63db\u3057\u3066\u3044\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30c8\u306f\u3001<strong>\u5143\u306e\u6570\u5b57\u306f1.3\u500d\u305a\u3064\u639b\u3051\u7b97\u3067\u5897\u3048\u3066\u3044\u308b\u306e\u306b\u3001\u5bfe\u6570\u5909\u63db\u3057\u305f\u5f8c\u306e\u6570\u5b57\u306f0.262\u305a\u3064\u3001\u307b\u307c\u5747\u7b49\u306b\u8db3\u3057\u7b97\u3067\u5897\u3048\u3066\u3044\u308b<\/strong>\u3068\u3044\u3046\u70b9\u3067\u3059\u3002\u3053\u308c\u304c\u5bfe\u6570\u306e\u6700\u5927\u306e\u5b9f\u52d9\u7684\u30e1\u30ea\u30c3\u30c8\u3067\u3001\u300c\u639b\u3051\u7b97\u306e\u5897\u6e1b\u300d\u3092\u300c\u8db3\u3057\u7b97\u306e\u5897\u6e1b\u300d\u3068\u3057\u3066\u6271\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">np.log\u306f\u540d\u524d\u306e\u3068\u304a\u308a\u300c\u30ed\u30b0\uff08\u5bfe\u6570\uff09\u3092\u53d6\u308b\u300d\u3068\u3044\u3046\u3060\u3051\u306e\u6a5f\u80fd\u3067\u3059\u3002\u96e3\u3057\u304f\u611f\u3058\u308b\u306e\u306f\u3001\u6b21\u7ae0\u4ee5\u964d\u3067\u8aac\u660e\u3059\u308b\u300c\u5e95\uff08\u3066\u3044\uff09\u306e\u9055\u3044\u300d\u3084\u300c0\u30fb\u8ca0\u306e\u5024\u3092\u6e21\u3057\u305f\u3068\u304d\u306e\u6319\u52d5\u300d\u3068\u3044\u3046\u8ffd\u52a0\u306e\u6ce8\u610f\u70b9\u304c\u7d61\u3093\u3067\u304f\u308b\u304b\u3089\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-03\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">03<\/span>\n  <span class=\"section-label\" style=\"display:block;\">FOUR FUNCTIONS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">np.log2\u30fbnp.log10\u30fbnp.log1p\u3068\u306e\u4f7f\u3044\u5206\u3051<\/span>\n  <span class=\"section-desc\">\u300c\u5e95\uff08\u3066\u3044\uff09\u304c\u9055\u3046\u3060\u3051\u300d\u3068\u300c\u3054\u304f\u5c0f\u3055\u3044\u5024\u5c02\u7528\u300d\u306e\u9055\u3044\u3092\u6574\u7406\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">NumPy\u306b\u306f\u3001np.log\u306e\u4ef2\u9593\u3068\u3057\u3066<code>np.log2<\/code>\u30fb<code>np.log10<\/code>\u30fb<code>np.log1p<\/code>\u3068\u3044\u3046\u95a2\u6570\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u540d\u524d\u304c\u4f3c\u3066\u3044\u308b\u305f\u3081\u6df7\u540c\u3057\u3084\u3059\u3044\u306e\u3067\u3059\u304c\u3001\u6574\u7406\u3059\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u5e95\uff08\u3066\u3044\uff09<\/strong>\uff1a\u5bfe\u6570\u306b\u304a\u3044\u3066\u300c\u4f55\u3092\u57fa\u6e96\u306b\u4f55\u4e57\u3059\u308b\u304b\u300d\u3092\u8868\u3059\u6570\u3002np.log\u306f\u5e95\u304ce\uff08\u81ea\u7136\u5bfe\u6570\uff09\u3001np.log2\u306f\u5e95\u304c2\u3001np.log10\u306f\u5e95\u304c10\u3002\u5e95\u304c\u9055\u3063\u3066\u3082\u300c\u639b\u3051\u7b97\u3092\u8db3\u3057\u7b97\u306b\u5909\u63db\u3059\u308b\u300d\u3068\u3044\u3046\u57fa\u672c\u7684\u306a\u6027\u8cea\u306f\u540c\u3058\u3067\u3001\u7d50\u679c\u306e\u6570\u5b57\u306e\u30b9\u30b1\u30fc\u30eb\uff08\u5927\u304d\u3055\uff09\u3060\u3051\u304c\u5909\u308f\u308b\u3002<\/p>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u95a2\u6570<\/th><th>\u5e95\uff08\u3066\u3044\uff09<\/th><th>\u4e3b\u306a\u7528\u9014<\/th><\/tr><\/thead>\n<tbody>\n<tr><td><code>np.log(a)<\/code><\/td><td>e\uff08\u81ea\u7136\u5bfe\u6570\uff09<\/td><td>\u6210\u9577\u7387\u30fb\u8907\u5229\u8a08\u7b97\u306a\u3069\u3001\u9023\u7d9a\u7684\u306a\u5909\u5316\u3092\u6271\u3046\u5206\u6790\u306e\u6a19\u6e96<\/td><\/tr>\n<tr><td><code>np.log2(a)<\/code><\/td><td>2<\/td><td>\u30c7\u30fc\u30bf\u91cf\uff08\u30d0\u30a4\u30c8\uff09\u3084\u300c\u4f55\u56de\u500d\u306b\u306a\u3063\u305f\u304b\u300d\u3092\u6570\u3048\u305f\u3044\u5834\u5408<\/td><\/tr>\n<tr><td><code>np.log10(a)<\/code><\/td><td>10<\/td><td>\u6841\u6570\u306e\u628a\u63e1\u3001\u30b0\u30e9\u30d5\u306e\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u8868\u793a\uff08\u4eba\u304c\u76f4\u611f\u7684\u306b\u8aad\u307f\u3084\u3059\u3044\uff09<\/td><\/tr>\n<tr><td><code>np.log1p(a)<\/code><\/td><td>e\uff08\u305f\u3060\u3057log(1+a)\u3092\u8a08\u7b97\uff09<\/td><td>0\u306b\u6975\u3081\u3066\u8fd1\u3044\u5c0f\u3055\u306a\u5024\u3092\u6271\u3046\u969b\u306e\u7cbe\u5ea6\u78ba\u4fdd<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\na = np.array([100])\nprint(np.log(a))     # [4.60517019]  \u81ea\u7136\u5bfe\u6570\nprint(np.log2(a))    # [6.64385619]  \u5e952\nprint(np.log10(a))   # [2.]          \u5e9510\uff08100=10\u306e2\u4e57\u306a\u306e\u3067\u3061\u3087\u3046\u30692\uff09<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>np.log10(100)<\/code>\u304c\u3061\u3087\u3046\u30692\u306b\u306a\u308b\u306e\u306f\u3001100\u304c\u300c10\u306e2\u4e57\u300d\u3060\u304b\u3089\u3067\u3059\u3002\u6841\u6570\u304c\u305d\u306e\u307e\u307e\u7d50\u679c\u306b\u73fe\u308c\u308b\u305f\u3081\u3001<strong>\u58f2\u4e0a\u306e\u30b0\u30e9\u30d5\u3092\u300c\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u300d\u3067\u8868\u793a\u3059\u308b\u969b\u306f\u3001\u591a\u304f\u306e\u5834\u5408np.log10\u304c\u4f7f\u308f\u308c\u307e\u3059<\/strong>\u3002100\u4e07\u30fb1000\u4e07\u30fb1\u5104\u3068\u3044\u3046\u6841\u9055\u3044\u306e\u6570\u5b57\u304c\u4e26\u3076\u30b0\u30e9\u30d5\u3067\u3082\u3001np.log10\u3067\u5909\u63db\u3059\u308c\u30700.1\u523b\u307f\u306e\u306a\u3060\u3089\u304b\u306a\u5909\u5316\u3068\u3057\u3066\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u8ff7\u3063\u305f\u3089np.log10\u3067\u30b0\u30e9\u30d5\u3092\u4f5c\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u30d3\u30b8\u30cd\u30b9\u306e\u73fe\u5834\u3067\u300c\u5bfe\u6570\u30b0\u30e9\u30d5\u300d\u3092\u4f5c\u308b\u76ee\u7684\u306e\u307b\u3068\u3093\u3069\u306f\u3001\u6841\u306e\u9055\u3046\u6570\u5b57\u30921\u3064\u306e\u30b0\u30e9\u30d5\u306b\u53ce\u3081\u3066\u5909\u5316\u3092\u898b\u3084\u3059\u304f\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u306e\u7528\u9014\u3067\u3042\u308c\u3070\u3001\u307e\u305anp.log10\u3092\u8a66\u3059\u306e\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u9078\u629e\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3-1. np.log1p\u3060\u3051\u6bdb\u8272\u304c\u9055\u3046\u7406\u7531<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>np.log1p(a)<\/code>\u306f\u3001<code>np.log(1+a)<\/code>\u3068\u540c\u3058\u8a08\u7b97\u7d50\u679c\u3092\u8fd4\u3059\u95a2\u6570\u3067\u3059\u304c\u3001\u308f\u3056\u308f\u3056\u5225\u306b\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u306e\u306b\u306f\u7406\u7531\u304c\u3042\u308a\u307e\u3059\u3002<strong>a\u304c0\u306b\u6975\u3081\u3066\u8fd1\u3044\u5c0f\u3055\u306a\u5024\u306e\u3068\u304d\u3001np.log(1+a)\u3092\u305d\u306e\u307e\u307e\u8a08\u7b97\u3059\u308b\u3068\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u5185\u90e8\u3067\u4e38\u3081\u8aa4\u5dee\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u3001np.log1p\u306e\u65b9\u304c\u9ad8\u7cbe\u5ea6\u306a\u7d50\u679c\u3092\u8fd4\u305b\u308b<\/strong>\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\na = np.array([1e-10])          # 0.0000000001 \u3068\u3044\u3046\u6975\u3081\u3066\u5c0f\u3055\u3044\u5024\nprint(np.log(1 + a))           # [0.] \u2190 \u4e38\u3081\u8aa4\u5dee\u30670\u306b\u306a\u3063\u3066\u3057\u307e\u3046\nprint(np.log1p(a))             # [1.e-10] \u2190 \u6b63\u3057\u304f\u6975\u5c0f\u306e\u5024\u3092\u7dad\u6301\u3067\u304d\u308b<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u4e38\u3081\u8aa4\u5dee<\/strong>\uff1a\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u5c0f\u6570\u3092\u6271\u3046\u969b\u3001\u5185\u90e8\u7684\u306a\u6841\u6570\u306e\u9650\u754c\u306b\u3088\u3063\u3066\u767a\u751f\u3059\u308b\u3054\u304f\u308f\u305a\u304b\u306a\u8a08\u7b97\u306e\u30ba\u30ec\u30021\u306b\u6975\u3081\u3066\u8fd1\u3044\u6570\u5b57\u540c\u58eb\u306e\u5f15\u304d\u7b97\u30fb\u8db3\u3057\u7b97\u3067\u306f\u3001\u672c\u6765\u306e\u5c0f\u3055\u306a\u5dee\u304c\u6d88\u3048\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308b\u3002np.log1p\u306f\u3053\u306e\u8aa4\u5dee\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u8a2d\u8a08\u3055\u308c\u305f\u5c02\u7528\u306e\u95a2\u6570\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9f\u52d9\u3067\u306f\u300c\u5e83\u544a\u306e\u30af\u30ea\u30c3\u30af\u7387\u304c0.0001%\u5909\u5316\u3057\u305f\u300d\u306e\u3088\u3046\u306a\u3001<strong>\u6975\u3081\u3066\u5c0f\u3055\u3044\u5909\u5316\u7387\u3092\u7cbe\u5bc6\u306b\u6271\u3044\u305f\u3044\u5834\u9762<\/strong>\u3067np.log1p\u306e\u51fa\u756a\u304c\u3042\u308a\u307e\u3059\u3002\u65e5\u5e38\u7684\u306a\u58f2\u4e0a\u5206\u6790\u3067\u306f\u3001\u307e\u305anp.log\u304bnp.log10\u3092\u4f7f\u3048\u3070\u5341\u5206\u306a\u30b1\u30fc\u30b9\u304c\u307b\u3068\u3093\u3069\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">4\u3064\u3082\u95a2\u6570\u304c\u3042\u308b\u3068\u805e\u304f\u3068\u8eab\u69cb\u3048\u307e\u3059\u304c\u3001\u5b9f\u52d9\u3067\u4f7f\u3046\u306e\u306f\u307b\u307cnp.log\uff08\u81ea\u7136\u5bfe\u6570\uff09\u304bnp.log10\uff08\u30b0\u30e9\u30d5\u7528\uff09\u306e2\u3064\u3067\u3059\u3002np.log1p\u306f\u300c\u6975\u5c0f\u306e\u5024\u3092\u7cbe\u5bc6\u306b\u6271\u3044\u305f\u3044\u3068\u304d\u5c02\u7528\u300d\u3068\u899a\u3048\u3066\u304a\u3051\u3070\u5341\u5206\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-04\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">04<\/span>\n  <span class=\"section-label\" style=\"display:block;\">ZERO AND NEGATIVE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">0\u4ee5\u4e0b\u306e\u5024\u3092\u6e21\u3059\u3068\u3069\u3046\u306a\u308b\u304b\u2014\u2014\u5b9f\u52d9\u3067\u30cf\u30de\u308a\u3084\u3059\u3044\u843d\u3068\u3057\u7a74<\/span>\n  <span class=\"section-desc\">\u58f2\u4e0a0\u5186\u30fb\u8d64\u5b57\uff08\u30de\u30a4\u30ca\u30b9\uff09\u306e\u30c7\u30fc\u30bf\u304c\u6df7\u3056\u308b\u3068\u8a08\u7b97\u304c\u5d29\u308c\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304c\u3001\u3053\u306e\u8a18\u4e8b\u3067\u6700\u3082\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<strong>\u58f2\u4e0a\u304c0\u5186\u3060\u3063\u305f\u65e5\u3084\u3001\u8d64\u5b57\uff08\u30de\u30a4\u30ca\u30b9\u306e\u5024\uff09\u304c\u6df7\u3056\u3063\u305f\u30c7\u30fc\u30bf\u306bnp.log\u3092\u4f7f\u3046\u3068\u3001\u671f\u5f85\u901a\u308a\u306e\u7d50\u679c\u304c\u8fd4\u3063\u3066\u3053\u306a\u3044<\/strong>\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\ndata = np.array([100, 50, 0, -20])\nprint(np.log(data))\n# [4.60517019 3.91202301        -inf                nan]\n# RuntimeWarning: divide by zero encountered in log\n# RuntimeWarning: invalid value encountered in log<\/code><\/pre>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">0\u306f\u300c\u30de\u30a4\u30ca\u30b9\u7121\u9650\u5927\u300d\u3001\u8ca0\u306e\u5024\u306f\u300c\u8a08\u7b97\u4e0d\u80fd\u300d\u306b\u306a\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">np.log\u306b0\u3092\u6e21\u3059\u3068\u3001\u6570\u5b66\u7684\u306b\u300c0\u306b\u8fd1\u3065\u304f\u307b\u3069\u5bfe\u6570\u306f\u30de\u30a4\u30ca\u30b9\u7121\u9650\u5927\u306b\u767a\u6563\u3059\u308b\u300d\u3068\u3044\u3046\u6027\u8cea\u3069\u304a\u308a\u3001\u7d50\u679c\u306f<code>-inf<\/code>\uff08\u30de\u30a4\u30ca\u30b9\u7121\u9650\u5927\uff09\u306b\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u8ca0\u306e\u5024\u3092\u6e21\u3059\u3068\u3001\u5b9f\u6570\u306e\u7bc4\u56f2\u3067\u306f\u5bfe\u6570\u304c\u5b9a\u7fa9\u3067\u304d\u306a\u3044\u305f\u3081<code>nan<\/code>\uff08\u8a08\u7b97\u4e0d\u80fd\uff09\u306b\u306a\u308a\u307e\u3059\u3002\u3069\u3061\u3089\u306e\u5834\u5408\u3082Python\u306f\u30a8\u30e9\u30fc\u3067\u51e6\u7406\u3092\u6b62\u3081\u305a\u3001\u8b66\u544a\uff08RuntimeWarning\uff09\u3092\u51fa\u3057\u3064\u3064\u8a08\u7b97\u3092\u7d9a\u3051\u3066\u3057\u307e\u3046\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u5165\u529b\u5024<\/th><th>np.log\u306e\u7d50\u679c<\/th><th>\u5b9f\u52d9\u3067\u306e\u539f\u56e0\u306e\u4f8b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u6b63\u306e\u6570<\/td><td>\u901a\u5e38\u3069\u304a\u308a\u8a08\u7b97\u3055\u308c\u308b<\/td><td>\u901a\u5e38\u306e\u58f2\u4e0a\u30fb\u6570\u91cf\u30c7\u30fc\u30bf<\/td><\/tr>\n<tr><td>0<\/td><td><code>-inf<\/code>\uff08\u30de\u30a4\u30ca\u30b9\u7121\u9650\u5927\uff09<\/td><td>\u58f2\u4e0a0\u5186\u3060\u3063\u305f\u65e5\u3001\u5728\u5eab0\u500b\u306e\u5546\u54c1<\/td><\/tr>\n<tr><td>\u8ca0\u306e\u6570<\/td><td><code>nan<\/code>\uff08\u8a08\u7b97\u4e0d\u80fd\uff09<\/td><td>\u8d64\u5b57\uff08\u30de\u30a4\u30ca\u30b9\u58f2\u4e0a\uff09\u3001\u8fd4\u91d1\u30fb\u5024\u5f15\u304d\u3067\u5b9f\u8cea\u30de\u30a4\u30ca\u30b9\u306b\u306a\u3063\u305f\u6570\u5024<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u5384\u4ecb\u306a\u306e\u306f\u3001<strong>\u30a8\u30e9\u30fc\u3067\u51e6\u7406\u304c\u6b62\u307e\u3089\u305a\u3001\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u51fa\u308b\u3060\u3051\u3067\u8a08\u7b97\u81ea\u4f53\u306f\u6700\u5f8c\u307e\u3067\u9032\u3093\u3067\u3057\u307e\u3046<\/strong>\u70b9\u3067\u3059\u3002\u8b66\u544a\u306b\u6c17\u3065\u304b\u305a\u5f8c\u7d9a\u306e\u96c6\u8a08\uff08\u5e73\u5747\u30fb\u5408\u8a08\u306a\u3069\uff09\u3092\u9032\u3081\u3066\u3057\u307e\u3046\u3068\u3001<code>-inf<\/code>\u3084<code>nan<\/code>\u304c\u7d50\u679c\u5168\u4f53\u3092\u6c5a\u67d3\u3057\u3001\u300c\u306a\u305c\u304b\u7570\u5e38\u306a\u6570\u5b57\u304c\u51fa\u3066\u304f\u308b\u300d\u3068\u3044\u3046\u72b6\u614b\u306b\u9665\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4-1. \u300c\u4f11\u696d\u65e5\u300d\u3084\u300c\u65b0\u898f\u30aa\u30fc\u30d7\u30f3\u5e97\u8217\u300d\u306e\u30c7\u30fc\u30bf\u306b\u8981\u6ce8\u610f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u6ce8\u610f\u3057\u305f\u3044\u306e\u304c\u3001<strong>\u55b6\u696d\u3057\u3066\u3044\u306a\u3044\u65e5\uff08\u58f2\u4e0a0\u5186\uff09\u3084\u3001\u671f\u9593\u306e\u9014\u4e2d\u3067\u30aa\u30fc\u30d7\u30f3\u3057\u305f\u3070\u304b\u308a\u306e\u5e97\u8217\uff08\u305d\u308c\u4ee5\u524d\u306f\u58f2\u4e0a\u30c7\u30fc\u30bf\u304c\u5b58\u5728\u305b\u305a0\u6271\u3044\u306b\u306a\u308b\uff09<\/strong>\u3067\u3059\u3002\u3053\u3046\u3057\u305f\u30c7\u30fc\u30bf\u3092\u305d\u306e\u307e\u307e\u5bfe\u6570\u5909\u63db\u306b\u304b\u3051\u308b\u3068\u3001\u305d\u306e\u7b87\u6240\u3060\u3051<code>-inf<\/code>\u306b\u306a\u308a\u3001\u5e73\u5747\u3084\u5408\u8a08\u306e\u8a08\u7b97\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5bfe\u6570\u5909\u63db\u3092\u3059\u308b\u524d\u306b\u30010\u3084\u8ca0\u306e\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u304b\u5fc5\u305a\u78ba\u8a8d\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u58f2\u4e0a0\u5186\u306e\u30c7\u30fc\u30bf\u306f\u300c\u5bfe\u6570\u5909\u63db\u306e\u5bfe\u8c61\u304b\u3089\u9664\u5916\u3059\u308b\u300d\u304b\u300c\u9664\u5916\u3057\u305f\u7406\u7531\u3092\u660e\u8a18\u3057\u3066\u96c6\u8a08\u3059\u308b\u300d<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8d64\u5b57\uff08\u30de\u30a4\u30ca\u30b9\uff09\u306e\u30c7\u30fc\u30bf\u306f\u3001\u5bfe\u6570\u3067\u306f\u306a\u304f\u5225\u306e\u6307\u6a19\uff08\u5b9f\u984d\u306e\u5897\u6e1b\u306a\u3069\uff09\u3067\u6bd4\u8f03\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\uff08RuntimeWarning\uff09\u304c\u51fa\u305f\u5834\u5408\u306f\u3001\u7121\u8996\u305b\u305a\u539f\u56e0\u306e\u30c7\u30fc\u30bf\u3092\u7279\u5b9a\u3059\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u8b66\u544a\u304c\u51fa\u3066\u3044\u308b\u3060\u3051\u3067\u30a8\u30e9\u30fc\u306b\u306f\u306a\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u306e\u304c\u4e00\u756a\u306e\u843d\u3068\u3057\u7a74\u3067\u3059\u3002\u51e6\u7406\u81ea\u4f53\u306f\u6700\u5f8c\u307e\u3067\u5b8c\u8d70\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u3001\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u898b\u843d\u3068\u3059\u3068\u3001\u304a\u304b\u3057\u306a\u6570\u5b57\u304c\u305d\u306e\u307e\u307e\u30ec\u30dd\u30fc\u30c8\u306b\u8f09\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-05\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">05<\/span>\n  <span class=\"section-label\" style=\"display:block;\">BUSINESS USE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u58f2\u4e0a\u306e\u300c\u4f38\u3073\u7387\u300d\u3092\u5bfe\u6570\u3067\u6b63\u3057\u304f\u6bd4\u8f03\u3059\u308b<\/span>\n  <span class=\"section-desc\">\u8907\u6570\u671f\u9593\u30fb\u8907\u6570\u5e97\u8217\u306e\u6210\u9577\u7387\u3092\u3001\u540c\u3058\u3082\u306e\u3055\u3057\u3067\u4e26\u3079\u308b\u65b9\u6cd5<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfe\u6570\u304c\u7d4c\u55b6\u5206\u6790\u3067\u672c\u9818\u3092\u767a\u63ee\u3059\u308b\u306e\u306f\u3001<strong>\u300c\u4f38\u3073\u7387\u300d\u3092\u8907\u6570\u671f\u9593\u30fb\u8907\u6570\u5e97\u8217\u306b\u308f\u305f\u3063\u3066\u516c\u5e73\u306b\u6bd4\u8f03\u3057\u305f\u3044\u3068\u304d<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-1. \u306a\u305c\u4f38\u3073\u7387\u306e\u5358\u7d14\u5e73\u5747\u306f\u8aa4\u89e3\u3092\u751f\u3080\u306e\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u3042\u308b\u5e97\u8217\u306e\u58f2\u4e0a\u304c1\u5e74\u76ee\u306b2\u500d\uff08+100%\uff09\u30012\u5e74\u76ee\u306b0.5\u500d\uff08-50%\uff09\u306b\u306a\u3063\u305f\u3068\u3057\u307e\u3059\u3002\u300c+100%\u3068-50%\u306e\u5e73\u5747\u3060\u304b\u3089\u30012\u5e74\u9593\u306e\u5e73\u5747\u6210\u9577\u7387\u306f+25%\u300d\u3068\u8003\u3048\u3066\u3057\u307e\u3044\u304c\u3061\u3067\u3059\u304c\u3001\u5b9f\u969b\u306b\u306f2\u500d\u00d70.5\u500d=1\u500d\u3067\u3001<strong>2\u5e74\u9593\u306e\u58f2\u4e0a\u306f\u307e\u3063\u305f\u304f\u5909\u5316\u3057\u3066\u3044\u307e\u305b\u3093<\/strong>\u3002\u30d1\u30fc\u30bb\u30f3\u30c8\u8868\u793a\u306e\u4f38\u3073\u7387\u3092\u5358\u7d14\u306b\u5e73\u5747\u3059\u308b\u3068\u3001\u3053\u306e\u3088\u3046\u306a\u8aa4\u89e3\u304c\u751f\u307e\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\n\ngrowth = np.array([2.0, 0.5])   # 1\u5e74\u76ee2\u500d\u30012\u5e74\u76ee0.5\u500d\nprint(growth.mean())            # 1.25 \u2190 \u8aa4\u89e3\u3092\u62db\u304f\u5358\u7d14\u5e73\u5747\uff08\u5b9f\u614b\u306f\u5909\u5316\u306a\u3057\uff09\n\nlog_growth = np.log(growth)\nprint(np.exp(log_growth.mean()))  # 1.0 \u2190 \u5bfe\u6570\u3092\u7d4c\u7531\u3057\u305f\u5e7e\u4f55\u5e73\u5747\u3002\u5b9f\u614b\u3068\u4e00\u81f4<\/code><\/pre>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u5e7e\u4f55\u5e73\u5747\uff08\u304d\u304b\u3078\u3044\u304d\u3093\uff09<\/strong>\uff1a\u639b\u3051\u7b97\u3067\u5897\u6e1b\u3059\u308b\u6570\u5b57\uff08\u6210\u9577\u7387\u306a\u3069\uff09\u3092\u6b63\u3057\u304f\u5e73\u5747\u3059\u308b\u305f\u3081\u306e\u8a08\u7b97\u65b9\u6cd5\u3002\u5bfe\u6570\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u901a\u5e38\u306e\u5e73\u5747\uff08\u8db3\u3057\u7b97\u306e\u5e73\u5747\uff09\u3092\u53d6\u308a\u3001\u6700\u5f8c\u306b\u5143\u306e\u30b9\u30b1\u30fc\u30eb\u306b\u623b\u3059\u3053\u3068\u3067\u6c42\u3081\u3089\u308c\u308b\u3002\u300c\u4f38\u3073\u7387\u306e\u5e73\u5747\u300d\u3092\u6271\u3046\u969b\u306f\u3001\u5358\u7d14\u5e73\u5747\u3067\u306f\u306a\u304f\u5e7e\u4f55\u5e73\u5747\u3092\u4f7f\u3046\u306e\u304c\u6570\u5b66\u7684\u306b\u6b63\u3057\u3044\u3002<\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfe\u6570\u3092\u7d4c\u7531\u3059\u308b\u3053\u3068\u3067\u3001<strong>\u300c\u639b\u3051\u7b97\u3067\u5897\u6e1b\u3059\u308b\u4f38\u3073\u7387\u300d\u3092\u300c\u8db3\u3057\u7b97\u3067\u6271\u3048\u308b\u6570\u5b57\u300d\u306b\u5909\u63db\u3057\u3001\u6b63\u3057\u3044\u5e73\u5747\uff08\u5e7e\u4f55\u5e73\u5747\uff09\u3092\u8a08\u7b97\u3067\u304d\u308b<\/strong>\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u8003\u3048\u65b9\u306f\u3001\u8907\u6570\u5e74\u306e\u58f2\u4e0a\u6210\u9577\u7387\u3001\u6295\u8cc7\u306e\u30ea\u30bf\u30fc\u30f3\u3001\u5e83\u544a\u306eCPA\u6539\u5584\u7387\u306a\u3069\u3001<strong>\u300c\u7387\u300d\u3067\u8a9e\u3089\u308c\u308b\u3042\u3089\u3086\u308b\u6307\u6a19\u306e\u5206\u6790\u306b\u5fdc\u7528\u3067\u304d\u307e\u3059<\/strong>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5-2. \u30b0\u30e9\u30d5\u3092\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306b\u3059\u308b\u3068\u4f55\u304c\u898b\u3084\u3059\u304f\u306a\u308b\u304b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u3082\u30461\u3064\u306e\u5b9f\u52d9\u7684\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u3001<strong>\u30b0\u30e9\u30d5\u306e\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u8868\u793a<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import numpy as np\nimport matplotlib.pyplot as plt\n\nyears = np.array([2021, 2022, 2023, 2024, 2025])\nsales = np.array([1_000_000, 1_300_000, 2_000_000, 5_000_000, 12_000_000])\n\nfig, (ax1, ax2) = plt.subplots(1, 2, figsize=(10, 4))\nax1.plot(years, sales); ax1.set_title('\u901a\u5e38\u30b9\u30b1\u30fc\u30eb')\nax2.plot(years, sales); ax2.set_yscale('log'); ax2.set_title('\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb')\nplt.savefig('sales_growth.png')<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u306e\u30b9\u30b1\u30fc\u30eb\u3067\u30b0\u30e9\u30d5\u3092\u63cf\u304f\u3068\u3001\u6025\u6210\u9577\u3057\u305f\u76f4\u8fd12\u5e74\u5206\u306e\u5909\u5316\u3070\u304b\u308a\u304c\u76ee\u7acb\u3061\u3001\u521d\u671f\u306e\u7de9\u3084\u304b\u306a\u6210\u9577\uff081,000,000\u5186\u21921,300,000\u5186\uff09\u306f\u30b0\u30e9\u30d5\u4e0a\u3067\u307b\u307c\u6a2a\u3070\u3044\u306e\u7dda\u306b\u3064\u3076\u308c\u3066\u898b\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<strong>\u7e26\u8ef8\u3092\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306b\u3059\u308b\u3068\u3001\u300c\u4f55\u500d\u306b\u6210\u9577\u3057\u305f\u304b\u300d\u3068\u3044\u3046\u6bd4\u7387\u306e\u5909\u5316\u304c\u3001\u30b0\u30e9\u30d5\u306e\u50be\u304d\u306e\u5909\u5316\u3068\u3057\u3066\u5747\u7b49\u306b\u8868\u793a\u3055\u308c\u308b<\/strong>\u305f\u3081\u3001\u6025\u6210\u9577\u671f\u3068\u505c\u6ede\u671f\u306e\u898b\u5206\u3051\u304c\u3064\u304d\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u30b0\u30e9\u30d5\u306e\u7a2e\u985e<\/th><th>\u5411\u3044\u3066\u3044\u308b\u5834\u9762<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u901a\u5e38\u30b9\u30b1\u30fc\u30eb<\/td><td>\u5b9f\u984d\uff08\u91d1\u984d\u305d\u306e\u3082\u306e\uff09\u306e\u5927\u304d\u3055\u3092\u6bd4\u8f03\u3057\u305f\u3044\u3068\u304d<\/td><\/tr>\n<tr><td>\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb<\/td><td>\u6210\u9577\u7387\u30fb\u4f38\u3073\u7387\u306e\u300c\u52e2\u3044\u306e\u5909\u5316\u300d\u3092\u6bd4\u8f03\u3057\u305f\u3044\u3068\u304d\u3001\u6841\u9055\u3044\u306e\u6570\u5b57\u304c\u6df7\u5728\u3059\u308b\u3068\u304d<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u300c\u6841\u304c3\u6841\u4ee5\u4e0a\u9055\u3046\u300d\u30c7\u30fc\u30bf\u304c\u6df7\u3056\u3063\u305f\u3089\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3092\u691c\u8a0e<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u6708\u95931\u4e07\u5186\u306e\u58f2\u4e0a\u306e\u5e97\u8217\u3068\u3001\u6708\u95931,000\u4e07\u5186\u306e\u58f2\u4e0a\u306e\u5e97\u8217\u3092\u540c\u3058\u30b0\u30e9\u30d5\u306b\u63cf\u304f\u5834\u5408\u306a\u3069\u3001\u6841\u6570\u304c\u5927\u304d\u304f\u7570\u306a\u308b\u30c7\u30fc\u30bf\u3092\u6bd4\u8f03\u3059\u308b\u969b\u306f\u3001\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3078\u306e\u5909\u63db\u3092\u691c\u8a0e\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306e\u30b0\u30e9\u30d5\u306f\u3001\u6700\u521d\u306f\u898b\u6163\u308c\u306a\u3044\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u305f\u3060\u300c\u7e26\u8ef8\u306e1\u76ee\u76db\u308a\u304c\u3001\u5b9f\u306f10\u500d\u30fb100\u500d\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u300d\u3068\u7406\u89e3\u3059\u308c\u3070\u3001\u6841\u9055\u3044\u306e\u6570\u5b57\u30921\u679a\u306e\u30b0\u30e9\u30d5\u3067\u6bd4\u8f03\u3067\u304d\u308b\u4fbf\u5229\u3055\u304c\u5b9f\u611f\u3067\u304d\u308b\u306f\u305a\u3067\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-06\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">06<\/span>\n  <span class=\"section-label\" style=\"display:block;\">COMMON PITFALLS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u696d\u52d9\u30c7\u30fc\u30bf\u5206\u6790\u3067\u3088\u304f\u3042\u308b\u843d\u3068\u3057\u7a74 \u65e9\u898b\u8868<\/span>\n  <span class=\"section-desc\">\u5c02\u9580\u77e5\u8b58\u304c\u306a\u304f\u3066\u3082\u78ba\u8a8d\u3067\u304d\u308b\u89b3\u70b9<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u62c5\u5f53\u8005\u3067\u3082\u3001\u4ee5\u4e0b\u306e\u89b3\u70b9\u3067\u30c7\u30fc\u30bf\u5206\u6790\u7d50\u679c\u306e\u30bb\u30eb\u30d5\u30c1\u30a7\u30c3\u30af\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u78ba\u8a8d\u3057\u305f\u3044\u3053\u3068<\/th><th>\u78ba\u8a8d\u65b9\u6cd5\u306e\u4f8b<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u7d50\u679c\u306b<code>-inf<\/code>\u3084<code>nan<\/code>\u304c\u6df7\u3056\u3063\u3066\u3044\u306a\u3044\u304b<\/td><td>\u96c6\u8a08\u7d50\u679c\u306e\u4e00\u89a7\u3092\u3056\u3063\u3068\u898b\u3066\u3001\u7570\u5e38\u306a\u8868\u8a18\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b<\/td><\/tr>\n<tr><td>\u5bfe\u6570\u5909\u63db\u306e\u5bfe\u8c61\u30c7\u30fc\u30bf\u306b0\u5186\u30fb\u30de\u30a4\u30ca\u30b9\u306e\u5024\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044\u304b<\/td><td>\u4f11\u696d\u65e5\u30fb\u65b0\u898f\u30aa\u30fc\u30d7\u30f3\u5e97\u8217\u30fb\u8fd4\u91d1\u30c7\u30fc\u30bf\u306e\u6271\u3044\u3092\u5206\u6790\u62c5\u5f53\u8005\u306b\u78ba\u8a8d\u3059\u308b<\/td><\/tr>\n<tr><td>\u300c\u4f38\u3073\u7387\u306e\u5e73\u5747\u300d\u304c\u5358\u7d14\u5e73\u5747\u304b\u5e7e\u4f55\u5e73\u5747\u304b<\/td><td>AI\u3084\u30a2\u30ca\u30ea\u30b9\u30c8\u306b\u300c\u639b\u3051\u7b97\u306e\u5e73\u5747\uff08\u5e7e\u4f55\u5e73\u5747\uff09\u3092\u4f7f\u3063\u3066\u3044\u308b\u304b\u300d\u3092\u78ba\u8a8d\u3059\u308b<\/td><\/tr>\n<tr><td>\u30b0\u30e9\u30d5\u304c\u901a\u5e38\u30b9\u30b1\u30fc\u30eb\u304b\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u304b<\/td><td>\u7e26\u8ef8\u306e\u76ee\u76db\u308a\u304c\u5747\u7b49\u306a\u9593\u9694\u304b\u3001\u6841\u304c\u98db\u3093\u3067\u3044\u308b\uff08\u5bfe\u6570\uff09\u8868\u793a\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u4f38\u3073\u7387\u30fb\u6210\u9577\u7387\u306e\u5e73\u5747\u3092\u51fa\u3059\u969b\u306f\u3001\u5358\u7d14\u5e73\u5747\u3067\u306f\u306a\u304f\u5e7e\u4f55\u5e73\u5747\u3092\u4f7f\u3046<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5bfe\u6570\u5909\u63db\u3092\u3059\u308b\u524d\u306b\u30010\u5186\u30fb\u30de\u30a4\u30ca\u30b9\u306e\u30c7\u30fc\u30bf\u304c\u6df7\u3056\u3063\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\uff08RuntimeWarning\uff09\u304c\u51fa\u305f\u5206\u6790\u7d50\u679c\u306f\u3001\u539f\u56e0\u306e\u30c7\u30fc\u30bf\u3092\u7279\u5b9a\u3057\u3066\u304b\u3089\u4f7f\u3046<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306e\u30b0\u30e9\u30d5\u306f\u300c\u6841\u306e\u9055\u3044\u3092\u5747\u3059\u8868\u793a\u300d\u3067\u3042\u308b\u3053\u3068\u3092\u95a2\u4fc2\u8005\u306b\u8aac\u660e\u3057\u305f\u4e0a\u3067\u5171\u6709\u3059\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:20px;\">&#9888;&#65039;<\/span>\n    <strong style=\"color:#dc2626;font-size:16px;\">\u300c\u30b0\u30e9\u30d5\u306e\u898b\u305f\u76ee\u304c\u826f\u304f\u306a\u3063\u305f\u300d\uff1d\u300c\u6b63\u3057\u3044\u300d\u3067\u306f\u306a\u3044<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306e\u30b0\u30e9\u30d5\u306f\u6025\u6210\u9577\u3092\u6ed1\u3089\u304b\u306b\u898b\u305b\u308b\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u306f<strong>\u8868\u73fe\u65b9\u6cd5\u3092\u5909\u3048\u305f\u3060\u3051\u3067\u3001\u5b9f\u969b\u306e\u6570\u5b57\uff08\u5b9f\u984d\uff09\u304c\u5909\u308f\u3063\u305f\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3067\u898b\u305f\u6210\u9577\u306e\u300c\u52e2\u3044\u300d\u3068\u3001\u5b9f\u969b\u306e\u91d1\u984d\u306e\u30a4\u30f3\u30d1\u30af\u30c8\u306f\u5206\u3051\u3066\u5831\u544a\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">6-1. \u300c\u62c5\u5f53\u8005\u306b\u3088\u3063\u3066\u4f38\u3073\u7387\u306e\u8a08\u7b97\u65b9\u6cd5\u304c\u9055\u3046\u300d\u554f\u984c\u3082\u898b\u9003\u305b\u306a\u3044<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8907\u6570\u306e\u62c5\u5f53\u8005\u304c\u5225\u3005\u306bExcel\u3084\u30b9\u30d7\u30ec\u30c3\u30c9\u30b7\u30fc\u30c8\u3067\u4f38\u3073\u7387\u3092\u8a08\u7b97\u3057\u3066\u3044\u308b\u7d44\u7e54\u3067\u306f\u3001<strong>\u300c\u5358\u7d14\u5e73\u5747\u3067\u4f38\u3073\u7387\u3092\u51fa\u3059\u4eba\u300d\u3068\u300c\u5e7e\u4f55\u5e73\u5747\uff08\u5bfe\u6570\u7d4c\u7531\uff09\u3067\u6b63\u3057\u304f\u51fa\u3059\u4eba\u300d\u304c\u6df7\u5728\u3059\u308b<\/strong>\u3068\u3044\u3046\u554f\u984c\u304c\u3088\u304f\u8d77\u3053\u308a\u307e\u3059\u3002\u540c\u3058\u5143\u30c7\u30fc\u30bf\u3092\u898b\u3066\u3044\u308b\u306f\u305a\u306a\u306e\u306b\u3001\u62c5\u5f53\u8005\u306b\u3088\u3063\u3066\u5831\u544a\u3055\u308c\u308b\u300c\u5e73\u5747\u6210\u9577\u7387\u300d\u304c\u5fae\u5999\u306b\u7570\u306a\u308b\u3068\u3044\u3046\u4e8b\u614b\u306f\u3001\u3053\u306e\u8a08\u7b97\u65b9\u6cd5\u306e\u4e0d\u7d71\u4e00\u304c\u539f\u56e0\u3067\u3042\u308b\u3053\u3068\u304c\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u5206\u6790\u3092\u4e00\u5143\u5316\u3057\u3066\u4efb\u305b\u308b\u3053\u3068\u306e\u96a0\u308c\u305f\u5229\u70b9\u306f\u3001\u3053\u3046\u3057\u305f<strong>\u300c\u4eba\u306b\u3088\u3063\u3066\u8a08\u7b97\u30eb\u30fc\u30eb\u304c\u30d0\u30e9\u3064\u304f\u300d\u554f\u984c\u305d\u306e\u3082\u306e\u3092\u69cb\u9020\u7684\u306b\u9632\u3052\u308b<\/strong>\u3053\u3068\u3067\u3059\u3002\u4e00\u5ea6\u30eb\u30fc\u30eb\u3092\u6307\u793a\u3057\u3066\u304a\u3051\u3070\u3001\u4ee5\u964d\u306f\u8ab0\u304c\u4f9d\u983c\u3057\u3066\u3082\u540c\u3058\u524d\u63d0\u3067\u8a08\u7b97\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u5e73\u5747\u6210\u9577\u7387\u300d\u3068\u3044\u3046\u540c\u3058\u8a00\u8449\u3092\u4f7f\u3063\u3066\u3044\u3066\u3082\u3001\u90e8\u7f72\u306b\u3088\u3063\u3066\u8a08\u7b97\u65b9\u6cd5\u304c\u9055\u3063\u3066\u3044\u305f\u3001\u3068\u3044\u3046\u7d4c\u9a13\u304c\u5b9f\u969b\u306b\u3042\u308a\u307e\u3057\u305f\u3002\u8a08\u7b97\u30eb\u30fc\u30eb\u3092\u4e00\u7b87\u6240\u306b\u96c6\u7d04\u3067\u304d\u305f\u306e\u306f\u3001\u5730\u5473\u3067\u3059\u304c\u5927\u304d\u306a\u52b9\u679c\u3067\u3057\u305f\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-07\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">07<\/span>\n  <span class=\"section-label\" style=\"display:block;\">GENAI CASE STUDY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u30c7\u30fc\u30bf\u3011GENAI\u793e\u5185\u3001\u6210\u9577\u7387\u5206\u6790\u3092Claude Code\u306b\u3069\u3053\u307e\u3067\u4efb\u305b\u3066\u3044\u308b\u304b<\/span>\n  <span class=\"section-desc\">0\u5186\u30fb\u30de\u30a4\u30ca\u30b9\u306e\u9664\u5916\u307e\u3067\u542b\u3081\u305f\u5206\u6790\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u3001AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u4f9d\u983c\u3059\u308b\u904b\u7528<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u304b\u3089\u306f\u3001\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u306e\u5b9f\u904b\u7528\u30c7\u30fc\u30bf\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u5f0a\u793e\u3067\u306fClaude Max 20x\u30d7\u30e9\u30f3\uff08\u6708\u984d$200\u30fb\u7d0430,000\u5186\uff09\u3092\u5951\u7d04\u3057\u3001\u7d4c\u55b6\u30fb\u55b6\u696d\u30fb\u5e83\u544a\u30fb\u958b\u767a\u30fb\u7d4c\u7406\u30fb\u79d8\u66f8\u696d\u52d9\u307e\u3067\u5168\u793e\u7684\u306bAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u300cClaude Code\u300d\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u9805\u76ee<\/th><th>\u5185\u5bb9<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5951\u7d04\u30d7\u30e9\u30f3<\/td><td>Claude Max 20x\uff08\u6708$200 \/ \u7d0430,000\u5186\uff09<\/td><\/tr>\n<tr><td>\u5229\u7528\u958b\u59cb<\/td><td>2025\u5e74\u5f8c\u534a\u301c<\/td><\/tr>\n<tr><td>\u6210\u9577\u7387\u5206\u6790\u95a2\u9023\u306e\u7528\u9014<\/td><td>\u5e83\u544aCPA\u306e\u6539\u5584\u7387\u3001\u6708\u6b21\u58f2\u4e0a\u306e\u4f38\u3073\u7387\u3001\u8907\u6570\u65bd\u7b56\u306e\u6210\u9577\u7387\u6bd4\u8f03<\/td><\/tr>\n<tr><td>\u62c5\u5f53\u4f53\u5236<\/td><td>\u5c02\u4efb\u306e\u30c7\u30fc\u30bf\u30a2\u30ca\u30ea\u30b9\u30c8\u3092\u65b0\u898f\u306b\u96c7\u308f\u305a\u3001\u65e2\u5b58\u30e1\u30f3\u30d0\u30fc\uff0bClaude Code\u3067\u5bfe\u5fdc<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\u3067\u306f\u3001\u5e83\u544a\u904b\u7528\u306e\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u3084\u58f2\u4e0a\u5206\u6790\u306e\u969b\u3001Claude Code\u306b\u300c\u5148\u6708\u3068\u4eca\u6708\u306e\u4f38\u3073\u7387\u3092\u3001\u6b63\u3057\u3044\u5e73\u5747\u3067\u6bd4\u8f03\u3057\u3066\u300d\u3068\u3044\u3063\u305f<strong>\u65e5\u672c\u8a9e\u3067\u306e\u4f9d\u983c<\/strong>\u3092\u3059\u308b\u3060\u3051\u3067\u3001\u5185\u90e8\u7684\u306bnp.log\u3092\u542b\u3080\u5e7e\u4f55\u5e73\u5747\u306e\u8a08\u7b97\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u7d44\u307f\u7acb\u3066\u3066\u3082\u3089\u3063\u3066\u3044\u307e\u3059\u3002<strong>\u300c0\u5186\u3084\u8d64\u5b57\u306e\u30c7\u30fc\u30bf\u304c\u6df7\u3056\u3063\u3066\u3044\u306a\u3044\u304b\u300d\u307e\u3067\u542b\u3081\u3066\u81ea\u52d5\u7684\u306b\u30c1\u30a7\u30c3\u30af\u3057\u3066\u3082\u3089\u3046<\/strong>\u306e\u304c\u3001\u5f0a\u793e\u306e\u6a19\u6e96\u7684\u306a\u904b\u7528\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>Step 1<\/strong><br><span style=\"font-size:12px;\">\u300c\u4f38\u3073\u7387\u3092<br>\u6b63\u3057\u304f\u6bd4\u8f03<br>\u3057\u3066\u300d\u3068\u4f9d\u983c<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 2<\/strong><br><span style=\"font-size:12px;\">Claude Code\u304c<br>0\u5186\u30fb\u30de\u30a4\u30ca\u30b9\u306e<br>\u6709\u7121\u3092\u5148\u306b\u78ba\u8a8d<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 3<\/strong><br><span style=\"font-size:12px;\">\u5bfe\u6570\uff08\u5e7e\u4f55\u5e73\u5747\uff09<br>\u3067\u6b63\u3057\u304f<br>\u8a08\u7b97<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Step 4<\/strong><br><span style=\"font-size:12px;\">\u4eba\u9593\u304c<br>\u7d50\u679c\u306e\u59a5\u5f53\u6027<br>\u3092\u78ba\u8a8d<\/span><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u904b\u7528\u306e\u5229\u70b9\u306f\u3001<strong>\u300c0\u5186\u3084\u30de\u30a4\u30ca\u30b9\u304c\u6df7\u3056\u308b\u3068np.log\u304c\u6b63\u3057\u304f\u6a5f\u80fd\u3057\u306a\u3044\u300d\u3068\u3044\u3046\u3001\u7d4c\u9a13\u306e\u3042\u308b\u30c7\u30fc\u30bf\u5206\u6790\u62c5\u5f53\u8005\u3067\u3082\u610f\u8b58\u3057\u306a\u3044\u3068\u898b\u843d\u3068\u3059\u843d\u3068\u3057\u7a74\u3092\u3001AI\u304c\u6a19\u6e96\u7684\u306a\u5bfe\u7b56\uff08\u5bfe\u8c61\u30c7\u30fc\u30bf\u306e\u4e8b\u524d\u30c1\u30a7\u30c3\u30af\u30fb\u5e7e\u4f55\u5e73\u5747\u306e\u4f7f\u7528\uff09\u3092\u8e0f\u307e\u3048\u305f\u4e0a\u3067\u56de\u907f\u3057\u3066\u304f\u308c\u308b<\/strong>\u70b9\u306b\u3042\u308a\u307e\u3059\u3002\u4eba\u9593\u304c\u96c6\u8a08\u306e\u76ee\u7684\u3092\u660e\u78ba\u306b\u4f1d\u3048\u308b\u3060\u3051\u3067\u3001\u5b9f\u88c5\u306e\u7d30\u90e8\u3068\u54c1\u8cea\u7ba1\u7406\u306fAI\u306b\u4efb\u305b\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u4ee5\u524d\u306f\u300c\u8907\u6570\u5e97\u8217\u306e\u5e73\u5747\u6210\u9577\u7387\u300d\u3092\u51fa\u3059\u3060\u3051\u3067\u3082\u3001Excel\u3067\u4e00\u4ef6\u305a\u3064\u78ba\u8a8d\u3057\u306a\u304c\u3089\u8a08\u7b97\u5f0f\u3092\u7d44\u3093\u3067\u3044\u3066\u3001\u5730\u5473\u306b\u6642\u9593\u304c\u304b\u304b\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u4eca\u306fClaude Code\u306b\u4f9d\u983c\u3059\u308c\u3070\u30010\u5186\u30c7\u30fc\u30bf\u306e\u9664\u5916\u307e\u3067\u542b\u3081\u3066\u6570\u5206\u3067\u7d50\u679c\u304c\u51fa\u308b\u306e\u3067\u3001\u5206\u6790\u306b\u304b\u304b\u308b\u6642\u9593\u304c\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u304c\u5206\u6790\u696d\u52d9\u3092\u8acb\u3051\u8ca0\u3046\u6848\u4ef6\u3067\u3082\u3001\u300c\u5358\u7d14\u5e73\u5747\u3067\u306f\u306a\u304f\u5e7e\u4f55\u5e73\u5747\u3067\u4f38\u3073\u7387\u3092\u51fa\u3057\u3066\u3044\u308b\u304b\u300d\u3092\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u306e\u30c1\u30a7\u30c3\u30af\u9805\u76ee\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u8a08\u7b97\u65b9\u6cd5\u3092\u660e\u793a\u3059\u308b\u3053\u3068\u3067\u3001\u30ec\u30dd\u30fc\u30c8\u3092\u53d7\u3051\u53d6\u308b\u5074\u304c\u6570\u5b57\u3092\u3069\u3053\u307e\u3067\u4fe1\u983c\u3057\u3066\u3044\u3044\u304b\u5224\u65ad\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">7-1. \u300c\u96c6\u8a08\u306e\u610f\u56f3\u3092\u8a00\u8a9e\u5316\u3059\u308b\u300d\u3060\u3051\u3067\u6e08\u3080\u4f9d\u983c\u306e\u4ed5\u65b9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\u306e\u5b9f\u52d9\u3067\u306f\u3001\u5206\u6790\u306b\u95a2\u3059\u308b\u4f9d\u983c\u306e\u307b\u3068\u3093\u3069\u304c<strong>\u300c\u4f55\u3092\u3001\u3069\u306e\u5358\u4f4d\u3067\u6bd4\u8f03\u3057\u305f\u3044\u304b\u300d\u3092\u4e00\u8a00\u3067\u4f1d\u3048\u308b\u3060\u3051<\/strong>\u3067\u5b8c\u7d50\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u8907\u6570\u5e97\u8217\u306e\u4f38\u3073\u7387\u3092\u6b63\u3057\u3044\u5e73\u5747\u3067\u6bd4\u8f03\u3057\u305f\u3044\u300d\u300c\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3067\u30b0\u30e9\u30d5\u306b\u3057\u3066\u307b\u3057\u3044\u300d\u3068\u3044\u3063\u305f\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u81ea\u7136\u306b\u4f7f\u3048\u308b\u8a00\u8449\u3067\u5341\u5206\u306bAI\u3078\u610f\u56f3\u304c\u4f1d\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u96c6\u8a08\u306e\u610f\u56f3\u306e\u8a00\u8a9e\u5316<\/strong>\uff1a\u300c\u8907\u6570\u671f\u9593\u306e\u4f38\u3073\u7387\u3092\u6b63\u3057\u3044\u5e73\u5747\u3067\u300d\u300c\u6841\u9055\u3044\u306e\u30c7\u30fc\u30bf\u3092\u898b\u3084\u3059\u304f\u300d\u3068\u3044\u3063\u305f\u3001\u5206\u6790\u306e\u524d\u63d0\u6761\u4ef6\u3092\u660e\u78ba\u306a\u8a00\u8449\u3067\u8868\u73fe\u3059\u308b\u3053\u3068\u3002\u6280\u8853\u7684\u306a\u95a2\u6570\u306e\u540d\u524d\u3084\u5f15\u6570\u3092\u77e5\u3089\u306a\u304f\u3066\u3082\u3001\u3053\u306e\u524d\u63d0\u3092\u6b63\u78ba\u306b\u4f1d\u3048\u3089\u308c\u308c\u3070\u3001AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u304c\u9069\u5207\u306a\u51e6\u7406\u3092\u7d44\u307f\u7acb\u3066\u3066\u304f\u308c\u308b\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-08\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">08<\/span>\n  <span class=\"section-label\" style=\"display:block;\">FOR NON-ENGINEERS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u3010\u72ec\u81ea\u3011\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u5bfe\u6570\u5206\u6790\u306e\u7570\u5e38\u5024\u3092AI\u3067\u898b\u3064\u3051\u308b3\u30b9\u30c6\u30c3\u30d7<\/span>\n  <span class=\"section-desc\">\u30b3\u30fc\u30c9\u304c\u8aad\u3081\u306a\u304f\u3066\u3082\u3001\u9055\u548c\u611f\u304b\u3089\u6539\u5584\u306b\u3064\u306a\u3052\u308b\u65b9\u6cd5<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u300cnp.log\u3084\u5e7e\u4f55\u5e73\u5747\u306e\u4ed5\u7d44\u307f\u306f\u5206\u304b\u3063\u305f\u3051\u308c\u3069\u3001\u5b9f\u969b\u306b\u81ea\u793e\u30c7\u30fc\u30bf\u306e\u5206\u6790\u7d50\u679c\u304c\u6b63\u3057\u3044\u304b\u78ba\u8a8d\u3059\u308b\u306e\u306f\u7121\u7406\u305d\u3046\u300d\u3068\u611f\u3058\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u3092\u9593\u306b\u631f\u3080\u3053\u3068\u3067\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u6539\u5584\u306e\u304d\u3063\u304b\u3051\u3092\u4f5c\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8-1. \u30b9\u30c6\u30c3\u30d71\uff1a\u300c\u60f3\u5b9a\u3057\u3066\u3044\u305f\u6570\u5b57\u300d\u3068\u300c\u51fa\u3066\u304d\u305f\u6570\u5b57\u300d\u306e\u9055\u3044\u3092\u66f8\u304d\u51fa\u3059<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u5148\u6708\u306e\u4f38\u3073\u7387\u306f\u3001\u611f\u899a\u7684\u306b\u306f\u3082\u3063\u3068\u9ad8\u304b\u3063\u305f\u306f\u305a\u306a\u306e\u306b\u3001\u5206\u6790\u7d50\u679c\u3067\u306f\u305d\u3046\u306a\u3063\u3066\u3044\u306a\u3044\u300d\u306e\u3088\u3046\u306b\u3001<strong>\u81ea\u5206\u304c\u60f3\u5b9a\u3057\u3066\u3044\u305f\u7d50\u679c\u3068\u3001\u5b9f\u969b\u306b\u51fa\u529b\u3055\u308c\u305f\u7d50\u679c<\/strong>\u3092\u5177\u4f53\u7684\u306b\u66f8\u304d\u51fa\u3057\u307e\u3059\u3002\u5c02\u9580\u7528\u8a9e\u3092\u4f7f\u3046\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8-2. \u30b9\u30c6\u30c3\u30d72\uff1aClaude Code\u306b\u300c\u3053\u306e\u8a08\u7b97\u306b0\u5186\u3084\u30de\u30a4\u30ca\u30b9\u306e\u5f71\u97ff\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u300d\u3068\u4f9d\u983c\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Claude Code\u306e\u30c7\u30b9\u30af\u30c8\u30c3\u30d7\u7248\u3092\u4f7f\u3048\u3070\u3001\u30bf\u30fc\u30df\u30ca\u30eb\uff08\u9ed2\u3044\u753b\u9762\uff09\u3092\u958b\u304b\u305a\u306b\u3001\u30c1\u30e3\u30c3\u30c8\u5f62\u5f0f\u3067\u300c\u3053\u306e\u4f38\u3073\u7387\u306e\u8a08\u7b97\u306b\u30010\u5186\u3084\u8d64\u5b57\u30c7\u30fc\u30bf\u306e\u5f71\u97ff\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u300d\u3068\u4f9d\u983c\u3067\u304d\u307e\u3059\u3002AI\u304cnp.log\u306e\u4f7f\u308f\u308c\u65b9\u3092\u89e3\u6790\u3057\u3001\u5bfe\u8c61\u30c7\u30fc\u30bf\u306e\u72b6\u6cc1\u3068\u5f71\u97ff\u3092\u65e5\u672c\u8a9e\u3067\u5831\u544a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">8-3. \u30b9\u30c6\u30c3\u30d73\uff1a\u8a08\u7b97\u65b9\u6cd5\u306e\u59a5\u5f53\u6027\u3092\u8e0f\u307e\u3048\u3066\u3001\u6570\u5b57\u306e\u4f7f\u3044\u65b9\u3092\u5224\u65ad\u3059\u308b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">AI\u304c\u5831\u544a\u3057\u305f\u8a08\u7b97\u65b9\u6cd5\u3084\u5bfe\u8c61\u30c7\u30fc\u30bf\u306e\u72b6\u6cc1\u3092\u8e0f\u307e\u3048\u3066\u3001<strong>\u300c\u3053\u306e\u6570\u5b57\u3092\u305d\u306e\u307e\u307e\u7d4c\u55b6\u5224\u65ad\u306b\u4f7f\u3063\u3066\u3088\u3044\u304b\u3001\u305d\u308c\u3068\u3082\u53c2\u8003\u5024\u7a0b\u5ea6\u306b\u7559\u3081\u308b\u3079\u304d\u304b\u300d\u3092\u4eba\u9593\u304c\u5224\u65ad\u3059\u308b<\/strong>\u306e\u304c\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u62c5\u5f53\u8005\u306b\u3068\u3063\u3066\u6700\u3082\u4fa1\u5024\u306e\u3042\u308b\u95a2\u308f\u308a\u65b9\u3067\u3059\u3002<\/p>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u60f3\u5b9a\u3068\u5b9f\u969b\u306e<br>\u30ba\u30ec\u3092<br>\u66f8\u304d\u51fa\u3059<\/strong><br><span style=\"font-size:12px;\">\u5c02\u9580\u77e5\u8b58<br>\u4e0d\u8981<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>Claude Code\u306b<br>0\u5186\u30fb\u8d64\u5b57\u306e<br>\u5f71\u97ff\u3092\u78ba\u8a8d\u4f9d\u983c<\/strong><br><span style=\"font-size:12px;\">\u8a08\u7b97\u65b9\u6cd5\u3092<br>\u65e5\u672c\u8a9e\u3067\u5831\u544a<\/span><\/div>\n  <div class=\"g-flow-arrow\">&#8594;<\/div>\n  <div class=\"g-flow-item\"><strong>\u6570\u5b57\u306e\u4f7f\u3044\u65b9\u3092<br>\u4eba\u9593\u304c<br>\u5224\u65ad<\/strong><br><span style=\"font-size:12px;\">\u7d4c\u55b6\u5224\u65ad\u3078\u306e<br>\u53cd\u6620\u5ea6\u3092\u6c7a\u3081\u308b<\/span><\/div>\n<\/div>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\">\n    <span style=\"font-size:18px;\">&#128161;<\/span>\n    <strong style=\"color:#16a34a;font-size:15px;\">\u300c\u8a08\u7b97\u65b9\u6cd5\u300d\u3092\u5206\u6790\u30ec\u30dd\u30fc\u30c8\u306e\u6a19\u6e96\u9805\u76ee\u306b\u3059\u308b<\/strong>\n  <\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u5206\u6790\u7d50\u679c\u3092\u53d7\u3051\u53d6\u308b\u969b\u3001\u4f38\u3073\u7387\u30fb\u6210\u9577\u7387\u3068\u3044\u3063\u305f\u6570\u5b57\u3060\u3051\u3067\u306a\u304f\u300c\u5358\u7d14\u5e73\u5747\u304b\u3001\u6b63\u3057\u3044\u5e7e\u4f55\u5e73\u5747\u304b\u300d\u3092\u5fc5\u305a\u4f75\u8a18\u3057\u3066\u3082\u3089\u3046\u7fd2\u6163\u3092\u3064\u3051\u308b\u3068\u3001\u6570\u5b57\u3078\u306e\u904e\u4fe1\u3092\u9632\u3052\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u58f2\u4e0a\u30fb\u5e83\u544a\u52b9\u679c\u306a\u3069\u3001\u7d4c\u55b6\u5224\u65ad\u306b\u4f7f\u3046\u4f38\u3073\u7387\u306e\u5206\u6790\u7d50\u679c\u306f\u8a08\u7b97\u65b9\u6cd5\u3082\u4e00\u7dd2\u306b\u78ba\u8a8d\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u60f3\u5b9a\u3057\u3066\u3044\u305f\u7d50\u679c\u300d\u3092\u5148\u306b\u660e\u78ba\u306b\u3057\u3066\u304b\u3089\u3001\u5b9f\u969b\u306e\u51fa\u529b\u3068\u6bd4\u8f03\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>AI\u306b\u4f9d\u983c\u3059\u308b\u969b\u306f\u300c0\u5186\u3084\u30de\u30a4\u30ca\u30b9\u306e\u5f71\u97ff\u304c\u306a\u3044\u304b\u300d\u3092\u660e\u793a\u7684\u306b\u78ba\u8a8d\u4e8b\u9805\u3068\u3057\u3066\u4f1d\u3048\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306e\u30b0\u30e9\u30d5\u306f\u3001\u5b9f\u984d\u306e\u30b0\u30e9\u30d5\u3068\u5408\u308f\u305b\u3066\u78ba\u8a8d\u3059\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&utm_medium=body_cta&utm_content=cc-numpy-log-guide&blog_slug=cc-numpy-log-guide\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=body_cta&utm_campaign=cc-numpy-log-guide&utm_content=body_cta-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n\n<div id=\"sec-09\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">09<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CONCLUSION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u307e\u3068\u3081 \u2500\u2500 \u300c\u5bfe\u6570\u300d\u306e\u88cf\u306b\u3001\u6b63\u3057\u3044\u6210\u9577\u7387\u6bd4\u8f03\u306e\u8003\u3048\u65b9\u304c\u96a0\u308c\u3066\u3044\u308b<\/span>\n  <span class=\"section-desc\">\u6280\u8853\u306e\u8a73\u7d30\u3092\u77e5\u3089\u306a\u304f\u3066\u3082\u3001\u30ea\u30b9\u30af\u306f\u7ba1\u7406\u3067\u304d\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001NumPy\u306enp.log\u304c\u4f55\u3092\u3057\u3066\u3044\u308b\u306e\u304b\u3001np.log2\u30fbnp.log10\u30fbnp.log1p\u3068\u306e\u4f7f\u3044\u5206\u3051\u30010\u4ee5\u4e0b\u306e\u5024\u3092\u6e21\u3057\u305f\u969b\u306e\u6319\u52d5\u3001\u4f38\u3073\u7387\u3092\u6b63\u3057\u304f\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306e\u5e7e\u4f55\u5e73\u5747\u306e\u8003\u3048\u65b9\u3001\u305d\u3057\u3066\u5f0a\u793eGENAI\u304cAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u300cClaude Code\u300d\u3092\u4f7f\u3063\u3066\u6210\u9577\u7387\u5206\u6790\u3092\u3069\u3046\u904b\u7528\u3057\u3066\u3044\u308b\u304b\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u6700\u5f8c\u306b\u30dd\u30a4\u30f3\u30c8\u3092\u632f\u308a\u8fd4\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>np.log\u306fNumPy\u3067\u81ea\u7136\u5bfe\u6570\uff08\u5e95e\uff09\u3092\u6c42\u3081\u308b\u57fa\u672c\u7684\u306a\u95a2\u6570<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>np.log2\u306f\u5e952\u3001np.log10\u306f\u5e9510\u3001np.log1p\u306f\u6975\u3081\u3066\u5c0f\u3055\u3044\u5024\u306e\u7cbe\u5ea6\u78ba\u4fdd\u306b\u4f7f\u3046<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>0\u3092\u6e21\u3059\u3068<code>-inf<\/code>\u3001\u8ca0\u306e\u5024\u3092\u6e21\u3059\u3068<code>nan<\/code>\u306b\u306a\u308a\u3001\u8b66\u544a\u3060\u3051\u3067\u51e6\u7406\u306f\u6b62\u307e\u3089\u306a\u3044<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u4f38\u3073\u7387\u30fb\u6210\u9577\u7387\u306e\u5e73\u5747\u306f\u3001\u5358\u7d14\u5e73\u5747\u3067\u306f\u306a\u304f\u5bfe\u6570\u7d4c\u7531\u306e\u5e7e\u4f55\u5e73\u5747\u3067\u6b63\u3057\u304f\u8a08\u7b97\u3059\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u306e\u30b0\u30e9\u30d5\u306f\u3001\u6841\u9055\u3044\u306e\u6570\u5b57\u30921\u679a\u306e\u30b0\u30e9\u30d5\u3067\u898b\u3084\u3059\u304f\u3059\u308b\u8868\u73fe\u65b9\u6cd5<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u5f0a\u793eGENAI\u3067\u306f\u30010\u5186\u30fb\u30de\u30a4\u30ca\u30b9\u30c7\u30fc\u30bf\u306e\u30c1\u30a7\u30c3\u30af\u3092\u542b\u3080\u6210\u9577\u7387\u5206\u6790\u306e\u591a\u304f\u3092Claude Code\u306b\u4efb\u305b\u3066\u3044\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u300c\u60f3\u5b9a\u3068\u306e\u30ba\u30ec\u3092\u66f8\u304d\u51fa\u3059\u2192AI\u304c\u8a08\u7b97\u65b9\u6cd5\u3092\u78ba\u8a8d\u2192\u4eba\u9593\u304c\u6570\u5b57\u306e\u4f7f\u3044\u65b9\u3092\u5224\u65ad\u300d\u306e3\u30b9\u30c6\u30c3\u30d7\u3067\u6539\u5584\u306b\u95a2\u308f\u308c\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u5bfe\u6570\u3092\u4f7f\u3046\u300d\u3068\u3044\u3046\u4f5c\u696d\u306f\u4e00\u898b\u96e3\u3057\u304f\u898b\u3048\u307e\u3059\u304c\u3001\u305d\u306e\u88cf\u5074\u306b\u306f<strong>\u300c\u639b\u3051\u7b97\u306e\u5897\u6e1b\u3092\u6b63\u3057\u304f\u6bd4\u8f03\u3057\u305f\u3044\u300d\u3068\u3044\u3046\u3001\u7d4c\u9a13\u306e\u3042\u308b\u30c7\u30fc\u30bf\u5206\u6790\u62c5\u5f53\u8005\u3067\u3082\u610f\u8b58\u3057\u306a\u3044\u3068\u898b\u843d\u3068\u3059\u5b9f\u52d9\u7684\u306a\u30cb\u30fc\u30ba<\/strong>\u304c\u6f5c\u3093\u3067\u3044\u307e\u3059\u3002\u6280\u8853\u306e\u8a73\u7d30\u3092\u5168\u3066\u7406\u89e3\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u300c\u4f38\u3073\u7387\u306e\u5e73\u5747\u306b\u306f\u6b63\u3057\u3044\u8a08\u7b97\u65b9\u6cd5\u304c\u3042\u308b\u300d\u3068\u77e5\u3063\u3066\u3044\u308b\u3060\u3051\u3067\u3001\u6570\u5b57\u3092\u53d7\u3051\u53d6\u308b\u969b\u306e\u611f\u5ea6\u304c\u4e0a\u304c\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u5f0a\u793e\u3067\u306f\u300cAI\u9b3c\u7ba1\u7406\u300d\u3068\u3044\u3046\u30b5\u30fc\u30d3\u30b9\u3067\u3001Claude Code\u3092\u4f7f\u3063\u305f\u30c7\u30fc\u30bf\u5206\u6790\u30fb\u696d\u52d9\u81ea\u52d5\u5316\u306e\u4ed5\u7d44\u307f\u3065\u304f\u308a\u3092\u652f\u63f4\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u8907\u6570\u5e97\u8217\u30fb\u8907\u6570\u65bd\u7b56\u306e\u6210\u9577\u7387\u3092\u6b63\u3057\u304f\u6bd4\u8f03\u3067\u304d\u3066\u3044\u306a\u3044\u6c17\u304c\u3059\u308b\u300d\u3068\u3044\u3046\u60a9\u307f\u304c\u3042\u308c\u3070\u3001\u304a\u6c17\u8efd\u306b\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c0f\u3055\u306a\u6570\u5b57\u306e\u9055\u548c\u611f\u3092\u653e\u7f6e\u305b\u305a\u3001\u8a08\u7b97\u65b9\u6cd5\u307e\u3067\u542b\u3081\u3066\u65e9\u3081\u306b\u78ba\u8a8d\u3059\u308b\u7fd2\u6163\u3092\u6301\u3064\u3053\u3068\u304c\u3001\u7d4c\u55b6\u5224\u65ad\u306e\u6b63\u78ba\u6027\u3092\u5b88\u308b\u78ba\u5b9f\u306a\u4e00\u6b69\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u793e\u5185\u306e\u300c\u6210\u9577\u7387\u300d\u3092\u6b63\u3057\u304f\u6bd4\u8f03\u3067\u304d\u308b\u5206\u6790\u4f53\u5236\u3001AI\u3067\u4f5c\u308a\u307e\u305b\u3093\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f38\u3073\u7387\u306e\u6b63\u3057\u3044\u5e73\u5747\u8a08\u7b97\u304b\u3089\u3001\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3067\u306e\u30b0\u30e9\u30d5\u5316\u30fb\u696d\u52d9\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u306e\u81ea\u52d5\u5316\u307e\u3067\u3002<br>Claude Code\u3092\u4f7f\u3063\u305f\u300c\u81ea\u793e\u3067\u4fe1\u983c\u3067\u304d\u308b\u30c7\u30fc\u30bf\u5206\u6790\u304c\u3067\u304d\u308b\u4f53\u5236\u300d\u306e\u4f5c\u308a\u65b9\u3092\u3001\u5b9f\u4f8b\u30d9\u30fc\u30b9\u3067\u3054\u63d0\u6848\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u8907\u6570\u5e97\u8217\u30fb\u8907\u6570\u65bd\u7b56\u306e\u4f38\u3073\u7387\u6bd4\u8f03\u304c\u3001\u62c5\u5f53\u8005\u3054\u3068\u306b\u30d0\u30e9\u30d0\u30e9\u300d\u3068\u3044\u3046\u4f1a\u793e\u307b\u3069\u3001AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306e\u6d3b\u7528\u52b9\u679c\u306f\u5927\u304d\u304f\u51fa\u307e\u3059\u3002\u7121\u6599\u76f8\u8ac7\u3067\u3001\u8cb4\u793e\u306e\u30c7\u30fc\u30bf\u6d3b\u7528\u306e\u6539\u5584\u30dd\u30a4\u30f3\u30c8\u3092\u4e00\u7dd2\u306b\u6d17\u3044\u51fa\u3057\u307e\u3057\u3087\u3046\u3002<\/div>\n<\/div>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u5148\u306e\u9032\u3081\u65b9\u306f\u3001\u5927\u304d\u304f2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9<\/strong>\u306f\u3001<strong>AI\u9b3c\u7ba1\u7406<\/strong>\u3067Claude Code\uff0fCodex\u306e\u4f7f\u3044\u65b9\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u5b9a\u7740\u307e\u3067\u4f34\u8d70\u3092\u53d7\u3051\u306a\u304c\u3089\u3001\u793e\u5185\u306b\u4ed5\u7d44\u307f\u3092\u4f5c\u308b\u9053\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u899a\u3048\u308b\u3088\u308a\u4efb\u305b\u305f\u3044\u65b9<\/strong>\u306f\u3001<strong>AI\u793e\u54e1AIKATA<\/strong>\u3067\u3053\u306e\u8a18\u4e8b\u306e\u3088\u3046\u306a\u5b9a\u578b\u696d\u52d9\u3092\u4e38\u3054\u3068\u9810\u3051\u308b\u9053\u304c\u3042\u308a\u307e\u3059\u3002\u6599\u91d1\u306f\u670830\u4e07\u5186\u306e\u6708\u984d\u5b9a\u984d\u3001\u8ffd\u52a0\u8cbb\u7528\u306f0\u5186\u3067\u3059\u3002<\/p>\n<p>\u3069\u3061\u3089\u304c\u5408\u3046\u304b\u306f\u3001\u696d\u52d9\u91cf\u3068\u793e\u5185\u4f53\u5236\u6b21\u7b2c\u3067\u3059\u3002\u7121\u6599\u76f8\u8ac7\u30fb\u7121\u6599\u9069\u5408\u8a3a\u65ad\u3067\u3001\u8cb4\u793e\u306e\u5834\u5408\u306f\u3069\u3061\u3089\u304c\u5411\u304f\u304b\u304b\u3089\u3054\u76f8\u8ac7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fff;border:2px solid #eee;border-radius:16px;padding:32px 20px;margin:48px 0 16px;\">\n  <p style=\"text-align:center;font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"text-align:center;font-size:22px;font-weight:800;line-height:1.5;color:#1a1a1a;margin:0 0 24px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u3067<br>\u5b9f\u8df5\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n  <div style=\"display:flex;gap:16px;flex-wrap:wrap;justify-content:center;\">\n    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-onikanri.png\" alt=\"AI\u9b3c\u7ba1\u7406 \u2014 Claude Code\u5c0e\u5165\u652f\u63f4\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\n        <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">AI\u6d3b\u7528\u3092\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9\u3078<\/p>\n        <p style=\"font-size:20px;font-weight:800;color:#1a1a1a;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n        <p style=\"font-size:14px;color:#555;margin:0 0 20px;line-height:1.7;\">Claude Code\u30fbCowork\u5c0e\u5165\u652f\u63f4\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u6d78\u900f\u307e\u3067\u5b9f\u8df5\u30d9\u30fc\u30b9\u3067\u4f34\u8d70\u3002\u300c\u81ea\u793e\u3067\u56de\u305b\u308b\u7d44\u7e54\u300d\u309290\u65e5\u3067\u4f5c\u308b\u7d4c\u55b6\u8005\u5411\u3051\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3002<\/p>\n        <div style=\"text-align:center;margin-top:auto;\">\n          <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=cc-numpy-log-guide&utm_content=next-step-cta\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u9b3c\u7ba1\u7406\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n    <div style=\"flex:1 1 300px;max-width:560px;background:#fafafa;border:1px solid #eee;border-radius:12px;overflow:hidden;display:flex;flex-direction:column;\">\n      <img src=\"https:\/\/genai-ai.co.jp\/img\/flagship-aibpo.png\" alt=\"AI\u793e\u54e1AIKATA \u2014 \u5b9a\u578b\u696d\u52d9\u306e\u4e38\u3054\u3068\u4ee3\u884c\" loading=\"lazy\" decoding=\"async\" style=\"width:100%;height:auto;aspect-ratio:16\/9;object-fit:cover;display:block;\">\n      <div style=\"padding:20px 20px 24px;display:flex;flex-direction:column;flex:1;\">\n        <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">\u696d\u52d9\u3092\u4e38\u3054\u3068\u4efb\u305b\u305f\u3044\u65b9\u3078<\/p>\n        <p style=\"font-size:20px;font-weight:800;color:#1a1a1a;margin:0 0 12px;\">AI\u793e\u54e1AIKATA<\/p>\n        <p style=\"font-size:14px;color:#555;margin:0 0 20px;line-height:1.7;\">\u8acb\u6c42\u51e6\u7406\u30fb\u30c7\u30fc\u30bf\u5165\u529b\u30fb\u554f\u3044\u5408\u308f\u305b\u5bfe\u5fdc\u306a\u3069\u306e\u5b9a\u578b\u696d\u52d9\u3092\u3001AI\u00d7\u4eba\u306e\u54c1\u8cea\u7ba1\u7406\u4f53\u5236\u3067\u4e38\u3054\u3068\u4ee3\u884c\u3002\u670830\u4e07\u5186\u306e\u5b9a\u984d\u3067\u307e\u304b\u305b\u653e\u984c\u3001\u65e5\u3005\u306f\u6210\u679c\u7269\u3092\u627f\u8a8d\u3059\u308b\u3060\u3051\u3002<\/p>\n        <div style=\"text-align:center;margin-top:auto;\">\n          <a href=\"https:\/\/genai-ai.co.jp\/ai-kanri\/ai-bpo\/?utm_source=blog&utm_medium=article&utm_campaign=cc-numpy-log-guide&utm_content=next-step-cta-bpo\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u793e\u54e1AIKATA\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. np.log\u3092\u5b9f\u884c\u3059\u308b\u3068\u300c-inf\u300d\u3068\u3044\u3046\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304f\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5bfe\u8c61\u306e\u914d\u5217\u306b0\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u3068\u3001np.log\u306f\u6570\u5b66\u7684\u306a\u6027\u8cea\u3069\u304a\u308a\u300c\u30de\u30a4\u30ca\u30b9\u7121\u9650\u5927\uff08-inf\uff09\u300d\u3092\u8fd4\u3057\u307e\u3059\u3002\u30a8\u30e9\u30fc\u306b\u306f\u306a\u3089\u305a\u8b66\u544a\uff08RuntimeWarning\uff09\u3060\u3051\u304c\u51fa\u308b\u305f\u3081\u3001\u6c17\u3065\u304b\u305a\u306b\u5f8c\u7d9a\u306e\u96c6\u8a08\u306b\u4f7f\u3063\u3066\u3057\u307e\u3046\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. np.log\u30fbnp.log2\u30fbnp.log10\u306f\u3069\u308c\u3092\u4f7f\u3048\u3070\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u6210\u9577\u7387\u3084\u8907\u5229\u8a08\u7b97\u306a\u3069\u9023\u7d9a\u7684\u306a\u5909\u5316\u3092\u6271\u3046\u306a\u3089np.log\uff08\u81ea\u7136\u5bfe\u6570\uff09\u3001\u30b0\u30e9\u30d5\u3092\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3067\u898b\u3084\u3059\u304f\u8868\u793a\u3057\u305f\u3044\u306a\u3089np.log10\u304c\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002np.log2\u306f\u30c7\u30fc\u30bf\u91cf\u3084\u300c\u4f55\u56de\u500d\u306b\u306a\u3063\u305f\u304b\u300d\u3092\u6570\u3048\u305f\u3044\u5834\u5408\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. np.log1p\u306f\u3044\u3064\u4f7f\u3046\u306e\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. 0\u306b\u6975\u3081\u3066\u8fd1\u3044\u5c0f\u3055\u306a\u5024\u3092\u6271\u3046\u969b\u3001\u4e38\u3081\u8aa4\u5dee\u3092\u907f\u3051\u3066\u9ad8\u7cbe\u5ea6\u306b\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u3044\u307e\u3059\u3002\u65e5\u5e38\u7684\u306a\u58f2\u4e0a\u5206\u6790\u3067\u306fnp.log\u304bnp.log10\u3067\u5341\u5206\u306a\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3001np.log1p\u306f\u5c02\u9580\u7684\u306a\u7cbe\u5ea6\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u306e\u9078\u629e\u80a2\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u4f38\u3073\u7387\u306e\u5e73\u5747\u3092\u5358\u7d14\u5e73\u5747\u3067\u306f\u306a\u304f\u5e7e\u4f55\u5e73\u5747\u3067\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u4f38\u3073\u7387\u306f\u300c\u639b\u3051\u7b97\u300d\u3067\u7a4d\u307f\u91cd\u306a\u308b\u6570\u5b57\u306e\u305f\u3081\u3001\u5358\u7d14\u5e73\u5747\uff08\u8db3\u3057\u7b97\u306e\u5e73\u5747\uff09\u3092\u53d6\u308b\u3068\u5b9f\u614b\u3068\u30ba\u30ec\u305f\u6570\u5b57\u306b\u306a\u308a\u307e\u3059\u3002\u5bfe\u6570\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u5e73\u5747\u3092\u53d6\u308a\u3001\u5143\u306e\u30b9\u30b1\u30fc\u30eb\u306b\u623b\u3059\u5e7e\u4f55\u5e73\u5747\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u5b9f\u969b\u306e\u639b\u3051\u7b97\u306e\u7a4d\u307f\u91cd\u306d\u3068\u4e00\u81f4\u3057\u305f\u6b63\u3057\u3044\u5e73\u5747\u6210\u9577\u7387\u304c\u6c42\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u81ea\u793e\u306e\u5206\u6790\u7d50\u679c\u306b0\u5186\u30fb\u30de\u30a4\u30ca\u30b9\u30c7\u30fc\u30bf\u306e\u5f71\u97ff\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u30b3\u30fc\u30c9\u3092\u76f4\u63a5\u8aad\u3093\u3067\u5224\u65ad\u3059\u308b\u306e\u306f\u96e3\u6613\u5ea6\u304c\u9ad8\u3044\u4f5c\u696d\u3067\u3059\u304c\u3001\u300c\u7d50\u679c\u306b\u60f3\u5b9a\u5916\u306e\u5024\u304c\u306a\u3044\u304b\u300d\u3068\u3044\u3046\u9055\u548c\u611f\u306b\u306f\u6c17\u3065\u3051\u307e\u3059\u3002\u539f\u56e0\u306e\u7279\u5b9a\uff080\u5186\u30c7\u30fc\u30bf\u306e\u6df7\u5165\u7b49\uff09\u306fClaude Code\u306e\u3088\u3046\u306aAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u8abf\u67fb\u3092\u4f9d\u983c\u3059\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. Claude Code\u306b\u6210\u9577\u7387\u5206\u6790\u306e\u8a08\u7b97\u65b9\u6cd5\u30c1\u30a7\u30c3\u30af\u3092\u4f9d\u983c\u3059\u308b\u5834\u5408\u3001\u5c02\u9580\u77e5\u8b58\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u4e0d\u8981\u3067\u3059\u3002\u300c\u3053\u306e\u4f38\u3073\u7387\u306e\u8a08\u7b97\u306b\u30010\u5186\u3084\u8d64\u5b57\u30c7\u30fc\u30bf\u306e\u5f71\u97ff\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u300d\u3068\u3044\u3063\u305f\u611f\u899a\u7684\u306a\u8a00\u8449\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u3001Claude Code\u304cnp.log\u306e\u4f7f\u308f\u308c\u65b9\u3092\u89e3\u6790\u3057\u3001\u5bfe\u8c61\u30c7\u30fc\u30bf\u306e\u72b6\u6cc1\u3068\u5f71\u97ff\u3092\u65e5\u672c\u8a9e\u3067\u5831\u544a\u3057\u307e\u3059\u3002\u6700\u7d42\u78ba\u8a8d\u30fb\u627f\u8a8d\u3060\u3051\u4eba\u9593\u304c\u884c\u3046\u904b\u7528\u3067\u5341\u5206\u306b\u56de\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<script 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\"\u6210\u9577\u7387\u3084\u8907\u5229\u8a08\u7b97\u306a\u3069\u9023\u7d9a\u7684\u306a\u5909\u5316\u3092\u6271\u3046\u306a\u3089np.log\uff08\u81ea\u7136\u5bfe\u6570\uff09\u3001\u30b0\u30e9\u30d5\u3092\u5bfe\u6570\u30b9\u30b1\u30fc\u30eb\u3067\u898b\u3084\u3059\u304f\u8868\u793a\u3057\u305f\u3044\u306a\u3089np.log10\u304c\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002np.log2\u306f\u30c7\u30fc\u30bf\u91cf\u3084\u300c\u4f55\u56de\u500d\u306b\u306a\u3063\u305f\u304b\u300d\u3092\u6570\u3048\u305f\u3044\u5834\u5408\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"np.log1p\u306f\u3044\u3064\u4f7f\u3046\u306e\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"0\u306b\u6975\u3081\u3066\u8fd1\u3044\u5c0f\u3055\u306a\u5024\u3092\u6271\u3046\u969b\u3001\u4e38\u3081\u8aa4\u5dee\u3092\u907f\u3051\u3066\u9ad8\u7cbe\u5ea6\u306b\u8a08\u7b97\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u3044\u307e\u3059\u3002\u65e5\u5e38\u7684\u306a\u58f2\u4e0a\u5206\u6790\u3067\u306fnp.log\u304bnp.log10\u3067\u5341\u5206\u306a\u30b1\u30fc\u30b9\u304c\u591a\u304f\u3001np.log1p\u306f\u5c02\u9580\u7684\u306a\u7cbe\u5ea6\u304c\u5fc5\u8981\u306a\u5834\u9762\u3067\u306e\u9078\u629e\u80a2\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u4f38\u3073\u7387\u306e\u5e73\u5747\u3092\u5358\u7d14\u5e73\u5747\u3067\u306f\u306a\u304f\u5e7e\u4f55\u5e73\u5747\u3067\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308b\u306e\u306f\u306a\u305c\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u4f38\u3073\u7387\u306f\u300c\u639b\u3051\u7b97\u300d\u3067\u7a4d\u307f\u91cd\u306a\u308b\u6570\u5b57\u306e\u305f\u3081\u3001\u5358\u7d14\u5e73\u5747\uff08\u8db3\u3057\u7b97\u306e\u5e73\u5747\uff09\u3092\u53d6\u308b\u3068\u5b9f\u614b\u3068\u30ba\u30ec\u305f\u6570\u5b57\u306b\u306a\u308a\u307e\u3059\u3002\u5bfe\u6570\u306b\u5909\u63db\u3057\u3066\u304b\u3089\u5e73\u5747\u3092\u53d6\u308a\u3001\u5143\u306e\u30b9\u30b1\u30fc\u30eb\u306b\u623b\u3059\u5e7e\u4f55\u5e73\u5747\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u5b9f\u969b\u306e\u639b\u3051\u7b97\u306e\u7a4d\u307f\u91cd\u306d\u3068\u4e00\u81f4\u3057\u305f\u6b63\u3057\u3044\u5e73\u5747\u6210\u9577\u7387\u304c\u6c42\u307e\u308a\u307e\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u81ea\u793e\u306e\u5206\u6790\u7d50\u679c\u306b0\u5186\u30fb\u30de\u30a4\u30ca\u30b9\u30c7\u30fc\u30bf\u306e\u5f71\u97ff\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3001\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u3067\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u30b3\u30fc\u30c9\u3092\u76f4\u63a5\u8aad\u3093\u3067\u5224\u65ad\u3059\u308b\u306e\u306f\u96e3\u6613\u5ea6\u304c\u9ad8\u3044\u4f5c\u696d\u3067\u3059\u304c\u3001\u300c\u7d50\u679c\u306b\u60f3\u5b9a\u5916\u306e\u5024\u304c\u306a\u3044\u304b\u300d\u3068\u3044\u3046\u9055\u548c\u611f\u306b\u306f\u6c17\u3065\u3051\u307e\u3059\u3002\u539f\u56e0\u306e\u7279\u5b9a\uff080\u5186\u30c7\u30fc\u30bf\u306e\u6df7\u5165\u7b49\uff09\u306fClaude Code\u306e\u3088\u3046\u306aAI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u306b\u8abf\u67fb\u3092\u4f9d\u983c\u3059\u308b\u306e\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Claude Code\u306b\u6210\u9577\u7387\u5206\u6790\u306e\u8a08\u7b97\u65b9\u6cd5\u30c1\u30a7\u30c3\u30af\u3092\u4f9d\u983c\u3059\u308b\u5834\u5408\u3001\u5c02\u9580\u77e5\u8b58\u306f\u5fc5\u8981\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u4e0d\u8981\u3067\u3059\u3002\u300c\u3053\u306e\u4f38\u3073\u7387\u306e\u8a08\u7b97\u306b\u30010\u5186\u3084\u8d64\u5b57\u30c7\u30fc\u30bf\u306e\u5f71\u97ff\u304c\u306a\u3044\u304b\u78ba\u8a8d\u3057\u3066\u300d\u3068\u3044\u3063\u305f\u611f\u899a\u7684\u306a\u8a00\u8449\u3067\u4f1d\u3048\u308b\u3060\u3051\u3067\u3001Claude Code\u304cnp.log\u306e\u4f7f\u308f\u308c\u65b9\u3092\u89e3\u6790\u3057\u3001\u5bfe\u8c61\u30c7\u30fc\u30bf\u306e\u72b6\u6cc1\u3068\u5f71\u97ff\u3092\u65e5\u672c\u8a9e\u3067\u5831\u544a\u3057\u307e\u3059\u3002\u6700\u7d42\u78ba\u8a8d\u30fb\u627f\u8a8d\u3060\u3051\u4eba\u9593\u304c\u884c\u3046\u904b\u7528\u3067\u5341\u5206\u306b\u56de\u305b\u307e\u3059\u3002\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\n","protected":false},"excerpt":{"rendered":"<p>NumPy\u306enp.log\u306e\u4f7f\u3044\u65b9\u3092\u3001np.log2\u30fbnp.log10\u30fbnp.log1p\u3068\u306e\u9055\u3044\u30010\u4ee5\u4e0b\u306e\u5024\u3092\u6e21\u3057\u305f\u6642\u306e\u6319\u52d5\u304b\u3089\u89e3\u8aac\u3002\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u7d4c\u55b6\u8005\u304c\u58f2\u4e0a\u6210\u9577\u7387\u3092\u300c\u5bfe\u6570\u300d\u3067\u6b63\u3057\u304f\u8aad\u307f\u89e3\u304f\u30dd\u30a4\u30f3\u30c8\u3068\u3001Claude 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