{"image_url":null,"provider_name":"Hatena Blog","width":"100%","type":"rich","author_name":"derwind","author_url":"https://blog.hatena.ne.jp/derwind/","height":"190","blog_url":"https://randommemory.hatenablog.com/","url":"https://randommemory.hatenablog.com/entry/2015/06/27/103400","description":"\u9ad8\u6821\u3068\u304b\u3067\u3088\u304f\u66f2\u7dda\u306e\u4ea4\u70b9\u3092\u6c42\u3081\u3088\u306a\u3093\u3066\u554f\u984c\u304c\u51fa\u305f\u3082\u306e\u3060\u3002 \u5358\u7d14\u306a\u3082\u306e\u3067\u306f\u30012\u6b21\u5143\u5e73\u9762\u5185\u306e\u66f2\u7dda \\begin{equation} y = f(x),\\ y = g(x) \\end{equation} \u306e\u4ea4\u70b9\u3092\u6c42\u3081\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3001$y$\u540c\u58eb\u3092\u7b49\u53f7\u3067\u7d50\u3093\u3067$f(x) = g(x)$\u3068\u3057\u3066\u3001$x$\u306b\u3064\u3044\u3066\u306e\u65b9\u7a0b\u5f0f\u3092\u89e3\u304f\u3068\u3044\u3046\u5f62\u3060\u3002 $f,\\ g$\u306f\u5171\u306b\u591a\u9805\u5f0f\u3067\u3042\u308b\u3068\u3057\u3066\u30013\u6b21\u65b9\u7a0b\u5f0f\u306a\u3089Cardano\u306e\u516c\u5f0f\u30014\u6b21\u65b9\u7a0b\u5f0f\u306a\u3089Ferrari\u306e\u516c\u5f0f\u306b\u3088\u3063\u3066\u4ee3\u6570\u7684\u306b\u89e3\u3051\u308b\u30025\u6b21\u4ee5\u4e0a\u306b\u306a\u308b\u3068\u516c\u5f0f\u3067\u306f\u89e3\u3051\u306a\u3044\u3002\u5927\u5b66\u306e3\u56de\u751f\u7a0b\u5ea6\u3067\u5b66\u3076Galois\u7406\u8ad6\u3078\u3068\u7e4b\u304c\u308b\u4ee3\u6570\u5b66\u306e\u9053\u306e\u9014\u4e2d\u3067Abel\u3089\u306e\u6210\u679c\u3068\u3057\u3066\u89e3\u3051\u306a\u3044\u3053\u3068\u304c\u793a\u3055\u2026","version":"1.0","published":"2015-06-27 10:34:00","provider_url":"https://hatena.blog","title":"\u66f2\u7dda\u306e\u4ea4\u70b9","categories":["graphics","math-bezier"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2015%2F06%2F27%2F103400\" title=\"\u66f2\u7dda\u306e\u4ea4\u70b9 - \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>","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6"}