{"categories":["machine_learning","MOOC"],"title":"\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (4) \u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5 (2)","provider_url":"https://hatena.blog","published":"2015-09-07 23:14:49","version":"1.0","description":"\u3055\u3066\u3001\u6b8b\u3057\u3066\u304a\u3044\u305f \\begin{equation} \\delta_i^{\\ell} := \\frac{\\partial J}{\\partial a_i^{\\ell}} \\varsigma^\\prime(z_i^{\\ell}),\\ 2 \\le \\ell \\le L,\\ 1 \\le i \\le s_{\\ell} \\hspace{5em} (1) \\end{equation} \u306f\u4f55\u3067\u3059\u304b\uff1f\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308b\u3002 \u306a\u304a\u3001$\\delta^{\\ell} = (\\delta_1^{\\ell}, \\cdots, \\delta_{s_{\\ell}}^{\\ell})^T$\u3067\u3042\u308b\u3068\u3059\u308b\u3002\u3053\u3053\u3067\u3001\u4ee5\u4e0b\u3092\u601d\u3044\u51fa\u3059\u3002 \\b\u2026","url":"https://randommemory.hatenablog.com/entry/2015/09/07/231449","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2015%2F09%2F07%2F231449\" title=\"\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (4) \u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5 (2) - \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%","provider_name":"Hatena Blog","image_url":null,"blog_url":"https://randommemory.hatenablog.com/","height":"190","author_name":"derwind","author_url":"https://blog.hatena.ne.jp/derwind/","type":"rich"}