{"type":"rich","version":"1.0","title":"\u6b63\u5024\u884c\u5217\u3078\u306e\u5206\u89e3","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/derwind/","height":"190","url":"https://randommemory.hatenablog.com/entry/2018/07/29/214354","categories":["math-functional"],"description":"$\\mathrm{Mat}(n,\\mathbb{C})$ \u306e\u884c\u5217 $A$ \u306b\u3064\u3044\u3066 $\\Re(A) := \\frac{1}{2}(A+A^*),\\ \\Im(A) := \\frac{1}{2i}(A-A^*)$ \u3068\u7f6e\u304f\u3068\u3001\u3053\u308c\u3089\u306f\u30a8\u30eb\u30df\u30fc\u30c8\u884c\u5217\u3068\u306a\u308b\u3002 \u30a8\u30eb\u30df\u30fc\u30c8\u884c\u5217 $B$ \u306e\u56fa\u6709\u5024\u306f\u5b9f\u6570\u3067\u3042\u308b\u306e\u3067\u3001\u9069\u5f53\u306a\u30e6\u30cb\u30bf\u30ea\u884c\u5217 $U$ \u5bfe\u89d2\u5316\u306b\u3088\u3063\u3066\u3001 \\begin{equation} B = U \\begin{pmatrix} \\lambda_1 & 0 & 0 \\\\ 0 & \\ddots & 0 \\\\ 0 & 0 & \\lambda_n \\end{pmatrix}U^*,\\quad {}^\\for\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2018%2F07%2F29%2F214354\" title=\"\u6b63\u5024\u884c\u5217\u3078\u306e\u5206\u89e3 - \u3089\u3093\u3060\u3080\u306a\u8a18\u61b6\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","provider_url":"https://hatena.blog","published":"2018-07-29 21:43:54","width":"100%","blog_url":"https://randommemory.hatenablog.com/","author_name":"derwind"}