{"version":"1.0","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fiek.hatenablog.com%2Fentry%2F2007%2F11%2F19%2F202132\" title=\"\u884c\u5217\u306e\u7a4d\u3068\u884c\u5217\u5f0f\u3002 - \u62c5\u5f53\u6388\u696d\u306e\u3053\u3068\u3068\u304b\uff0c\u306a\u3093\u304b\u305d\u3046\u3044\u3063\u305f\u8a71\u984c\u3002\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-11-19 20:21:32","width":"100%","blog_title":"\u62c5\u5f53\u6388\u696d\u306e\u3053\u3068\u3068\u304b\uff0c\u306a\u3093\u304b\u305d\u3046\u3044\u3063\u305f\u8a71\u984c\u3002","image_url":null,"author_url":"https://blog.hatena.ne.jp/Iek/","type":"rich","blog_url":"https://iek.hatenablog.com/","provider_url":"https://hatena.blog","author_name":"Iek","categories":["Weblog"],"provider_name":"Hatena Blog","url":"https://iek.hatenablog.com/entry/2007/11/19/202132","description":"\u3075\u305f\u3064\u306e\u6b63\u65b9\u884c\u5217 A\uff0cB \u306b\u3064\u3044\u3066\uff0c det(AB)=(detA)(detB) \u3068\u3044\u3046\u7b49\u5f0f\u304c\u6210\u308a\u7acb\u3064\u3002 \u884c\u5217\u30921\u6b21\u5909\u63db\u306e\u8868\u73fe\u884c\u5217\u3060\u3068\u601d\u3048\u3070\uff0c\u3053\u306e\u95a2\u4fc2\u5f0f\u304c\u6210\u308a\u7acb\u3064\u306e\u306f\u7d0d\u5f97\u3057\u3084\u3059\u3044\u3002 \u30a2\u30a4\u30c7\u30a2\u306f\u6b21\u306e\u901a\u308a\u3002\uff08\u4ee5\u4e0b\u306e\u8aac\u660e\u3067\u306f1\u6b21\u5909\u63db\u3068\u8868\u73fe\u884c\u5217\u3092\u304d\u3061\u3093\u3068\u533a\u5225\u3057\u3066\u3044\u306a\u3044\u3002\uff09 \u9818\u57df E \u306e\u9762\u7a4d\u306f\uff0c1\u6b21\u5909\u63db B \u306b\u3088\u3063\u3066 detB \u500d\u306b\u306a\u308b\u3002 B(E) \u306b\u3055\u3089\u306b1\u6b21\u5909\u63db A \u3092\u65bd\u3059\u3068\uff0c\u9762\u7a4d\u306f detA \u500d\u3055\u308c\u308b\u304b\u3089\uff0c\u6700\u7d42\u7684\u306b\u3082\u3068\u306e\u9762\u7a4d\u306e (detA)(detB) \u500d\u306b\u306a\u308b\u3002 \u4e00\u65b9\uff0c1\u6b21\u5909\u63db\u3092\u5408\u6210\u3057\u305f AB \u3092 E \u306b\u4f5c\u7528\u3055\u305b\u305f\u3068\u8003\u3048\u308c\u3070\uff0c\u9762\u7a4d\u306f det(AB) \u500d\u306b\u306a\u308b\u3002 \u6700\u7d42\u7684\u306b\u5f97\u3089\u308c\u308b\u56f3\u5f62\u306f\u540c\u3058\u3067\u3042\u308b\u304b\u3089\u2026","title":"\u884c\u5217\u306e\u7a4d\u3068\u884c\u5217\u5f0f\u3002"}