{"version":"1.0","provider_name":"Hatena Blog","title":"\u6a5f\u68b0\u5b66\u7fd2\u3068\u304b\u4e8c\u5024\u5206\u985e\u3068\u304b","url":"https://randommemory.hatenablog.com/entry/2015/08/23/201649","author_url":"https://blog.hatena.ne.jp/derwind/","height":"190","type":"rich","width":"100%","published":"2015-08-23 20:16:49","author_name":"derwind","blog_url":"https://randommemory.hatenablog.com/","categories":["machine_learning","MOOC"],"description":"\u306a\u3093\u3084\u3089\u3088\u304f\u5206\u304b\u3089\u3093\u304c\u3001\u5b66\u7fd2\u4fc2\u6570$\\theta = (\\theta_0, \\theta_1, \\cdots, \\theta_N)^T$\u3068\u5165\u529b\u30c7\u30fc\u30bf$x = (1, x_1, \\cdots, x_N)^T$\u306b\u95a2\u3059\u308bhypothesis\u95a2\u6570\u3092 \\begin{equation} h_\\theta(x^i) = \\theta\\cdot x = \\sum_{k=0}^N \\theta_k x_k^i \\end{equation} \u3068\u3057\u3066\u3001\u51fa\u529b\u30c7\u30fc\u30bf$y = (y^1, \\cdots, y^m)^T$\u306b\u5bfe\u3059\u308b\u30b3\u30b9\u30c8\u95a2\u6570(\u3068\u304b\u8aa4\u5dee\u95a2\u6570\u3068\u304b\u640d\u5931\u95a2\u6570\u3068\u304b*1 ) \\begin{equation} J(\\thet\u2026","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/d/derwind/20150823/20150823192151.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2015%2F08%2F23%2F201649\" title=\"\u6a5f\u68b0\u5b66\u7fd2\u3068\u304b\u4e8c\u5024\u5206\u985e\u3068\u304b - \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>","provider_url":"https://hatena.blog","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6"}