{"description":"\u6b21\u6570\u306e\u4f4e\u3044\u591a\u9805\u5f0f\u306e\u6700\u5c0f\u5206\u89e3\u4f53\u306e\u30ac\u30ed\u30a2\u7fa4\u306f\u6bd4\u8f03\u7684\u7c21\u5358\u306b\u6c7a\u5b9a\u3067\u304d\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u5224\u5225\u5f0f\u3092\u4f7f\u3046\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u307e\u305a\u3001K \u3092\u6a19\u6570\u304c 2 \u3067\u306a\u3044\u4f53\u3068\u3059\u308b(\u6a19\u6570 2 \u3067\u306f\u4f7f\u3048\u306a\u3044)\u3002K \u306e\u4ee3\u6570\u9589\u5305 \u03a9 \u3092\u4e00\u3064\u7528\u610f\u3057\u3066\u304a\u304f\u3002K \u4fc2\u6570\u306e n \u6b21\u306e\u65e2\u7d04\u306a\u30e2\u30cb\u30c3\u30af\u591a\u9805\u5f0f \\( f(x) = x^n + a_1 x^{n-1} \\cdots + a_n \\) \u306b\u3064\u3044\u3066\u3001K \u4e0a\u5206\u96e2\u7684\u3067\u3042\u308b\u3068\u3057\u3001\u03a9 \u306e\u4e2d\u3067\u306e\u89e3\u3092 \\( \\alpha_1, \\cdots, \\alpha_n \\) \u3068\u304a\u304f(\u30e2\u30cb\u30c3\u30af\u6027\u306f\u672c\u8cea\u7684\u3067\u306f\u306a\u3044)\u3002\\( L = K(\\alpha_1, \\cdots, \\alpha_n) \\) \u3092\u6700\u5c0f\u5206\u89e3\u4f53\u3068\u3059\u308b\u3002\u3053\u306e\u2026","blog_url":"https://marx-saul.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/marx_saul/","title":"\u591a\u9805\u5f0f\u306e\u6700\u5c0f\u5206\u89e3\u4f53\u306e\u30ac\u30ed\u30a2\u7fa4","image_url":null,"height":"190","type":"rich","author_name":"marx_saul","blog_title":"\u30de\u30eb\u30af\u30bd\u30a6\u30eb\u306e\u30ce\u30fc\u30c8","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmarx-saul.hatenablog.com%2Fentry%2F2017%2F08%2F07%2F153221\" title=\"\u591a\u9805\u5f0f\u306e\u6700\u5c0f\u5206\u89e3\u4f53\u306e\u30ac\u30ed\u30a2\u7fa4 - \u30de\u30eb\u30af\u30bd\u30a6\u30eb\u306e\u30ce\u30fc\u30c8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","provider_url":"https://hatena.blog","version":"1.0","url":"https://marx-saul.hatenablog.com/entry/2017/08/07/153221","published":"2017-08-07 15:32:21","categories":["\u7fa4\u30fb\u74b0\u30fb\u4f53"],"provider_name":"Hatena Blog"}