{"image_url":null,"provider_url":"https://hatena.blog","published":"2026-03-07 23:38:39","url":"https://iikamone720.hatenablog.com/entry/2026/03/07/233839","author_url":"https://blog.hatena.ne.jp/iikamone720/","categories":["\u6570\u5b66"],"provider_name":"Hatena Blog","width":"100%","title":"\u884c\u5217\u5f0f\u306e\u5b9a\u7fa9\u304c\u308f\u304b\u3089\u306a\u3044\u30023x3\u884c\u5217\u3067\u6559\u3048\u3066(gemini","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiikamone720.hatenablog.com%2Fentry%2F2026%2F03%2F07%2F233839\" title=\"\u884c\u5217\u5f0f\u306e\u5b9a\u7fa9\u304c\u308f\u304b\u3089\u306a\u3044\u30023x3\u884c\u5217\u3067\u6559\u3048\u3066(gemini - My \u5099\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","description":"\u884c\u5217\u5f0f\u306e\u5b9a\u7fa9\u304c\u308f\u304b\u3089\u306a\u3044\u30023x3\u884c\u5217\u3067\u6559\u3048\u3066(gemini > 3x3\u884c\u5217\u3092\u4f8b\u306b\u3001\u305d\u306e\u300c\u968e\u4e57\u901a\u308a\u306e\u8db3\u3057\u7b97\u300d\u304c\u3069\u3046\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u304b\u7d10\u89e3\u3044\u3066\u307f\u307e\u3057\u3087\u3046\u3002 3x3\u884c\u5217\u306b\u304a\u3051\u308b\u884c\u5217\u5f0f\u306e\u5b9a\u7fa9 \u884c\u5217 $A$ \u306e\u6210\u5206\u3092 $a_{ij}$ \uff08$i$ \u884c $j$ \u5217\uff09\u3068\u3059\u308b\u3068\u3001\u884c\u5217\u5f0f\u306f\u4ee5\u4e0b\u306e\u5f0f\u3067\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002 $$\\det(A) = \\sum_{\\sigma \\in S_3} \\text{sgn}(\\sigma) a_{1\\sigma(1)} a_{2\\sigma(2)} a_{3\\sigma(3)}$$ \u3053\u306e\u5f0f\u306e\u610f\u5473\u3092\u5206\u89e3\u3059\u308b\u3068\u3001\u3042\u306a\u305f\u306e\u304a\u3063\u3057\u3083\u308b\u300c\u968e\u4e57\u901a\u308a\u300d\u306e\u6b63\u4f53\u304c\u898b\u3048\u3066\u304d\u307e\u3059\u3002 1. 3! = 6\u901a\u308a\u306e\u7d44\u2026","version":"1.0","author_name":"iikamone720","blog_title":"My \u5099\u5fd8\u9332","height":"190","blog_url":"https://iikamone720.hatenablog.com/"}