{"author_name":"IsThisAPen","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.mynote-jp.com%2Fentry%2Fproperties-of-matrix\" title=\"\u884c\u5217\u306e\u6027\u8cea - Notes_JP\" 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":"POINT \u3088\u304f\u4f7f\u3046\u884c\u5217\u306e\u6027\u8cea\u3092\u307e\u3068\u3081\u307e\u3059\uff0e \u3010\u95a2\u9023\u8a18\u4e8b\u3011 \u30d9\u30af\u30c8\u30eb\u89e3\u6790\u306e\u516c\u5f0f - Notes_JP \u5bfe\u79f0\u884c\u5217 \u9006\u884c\u5217 \u9006\u884c\u5217 \u30af\u30e9\u30e1\u30eb\u306e\u516c\u5f0f \u4f8b\uff1a2\u00d72\u884c\u5217 \u5f0f\u5909\u5f62 \u91cd\u307f \u5bfe\u79f0\u884c\u5217${}^t \\!A = A$\uff08$a_{ji}=a_{ij}$\uff09\u3092\u6e80\u305f\u3059\u884c\u5217\u3092\u300c\u5bfe\u79f0\u884c\u5217\u300d\u3068\u547c\u3073\u307e\u3059\uff0e\u9006\u884c\u5217\u5bfe\u79f0\u884c\u5217\u306e\u9006\u884c\u5217\u5bfe\u79f0\u884c\u5217\u304c\u6b63\u5247\u3067\u3042\u308b\u3068\u304d\uff0c\u305d\u306e\u9006\u884c\u5217\u3082\u5bfe\u79f0\u884c\u5217\u3068\u306a\u308b\uff0e\u3010\u8a3c\u660e\u3011 \u5bfe\u79f0\u884c\u5217$A$\u3068\u305d\u306e\u9006\u884c\u5217$A^{-1}$\u3092\u8003\u3048\u307e\u3059\uff0e\\begin{aligned} A^{-1} A = A A^{-1} = 1 \\end{aligned}\u306e\u5404\u8fba\u306e\u8ee2\u7f6e\u3092\u3068\u308c\u3070\\begin{aligned} {}^t \\!A \\\u2026","blog_title":"Notes_JP","categories":["\u6570\u5b66","\u6570\u5b66-\u7dda\u5f62\u4ee3\u6570","\u7269\u7406\u5b66","\u7269\u7406\u5b66-\u7269\u7406\u6570\u5b66"],"url":"https://www.mynote-jp.com/entry/properties-of-matrix","version":"1.0","published":"2024-01-30 00:00:00","blog_url":"https://www.mynote-jp.com/","image_url":null,"provider_name":"Hatena Blog","title":"\u884c\u5217\u306e\u6027\u8cea","author_url":"https://blog.hatena.ne.jp/IsThisAPen/","height":"190","width":"100%"}