{"description":"3\u6b21B\u00e9zier\u30b9\u30d7\u30e9\u30a4\u30f3\u66f2\u7dda\u306e\u6975\u5024\u3092\u6c42\u3081\u305f\u3044\u3002\u3042\u308b\u30bb\u30b0\u30e1\u30f3\u30c8\u304c \\begin{equation} P_0 = (x_0, y_0),\\ P_1 = (x_1, y_1),\\ P_2 = (x_2, y_2),\\ P_3 = (x_3, y_3) \\end{equation} \u304b\u3089\u5b9a\u307e\u308b\u3068\u3059\u308b\u3002 \u3053\u306e\u6642\u3001\u30bb\u30b0\u30e1\u30f3\u30c8\u306f \\begin{equation} \\ell(t) = (1-t)^3 P_0 + 3t(1-t)^2 P_1 + 3t^2(1-t) P_2 + t^3 P_3,\\ 0 \\le t \\le 1 \\hspace{30pt} (1) \\end{equation} \u3067\u5b9a\u307e\u308b\u3002\u6975\u5024\u306e\u5019\u88dc\u2026","author_url":"https://blog.hatena.ne.jp/derwind/","provider_url":"https://hatena.blog","categories":["graphics","math-bezier"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2015%2F06%2F14%2F234807\" title=\"3\u6b21B\u00e9zier\u30b9\u30d7\u30e9\u30a4\u30f3\u66f2\u7dda\u306e\u6975\u5024 - \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>","width":"100%","blog_url":"https://randommemory.hatenablog.com/","title":"3\u6b21B\u00e9zier\u30b9\u30d7\u30e9\u30a4\u30f3\u66f2\u7dda\u306e\u6975\u5024","url":"https://randommemory.hatenablog.com/entry/2015/06/14/234807","version":"1.0","author_name":"derwind","type":"rich","height":"190","image_url":null,"published":"2015-06-14 23:48:07","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","provider_name":"Hatena Blog"}