{"provider_url":"https://hatena.blog","description":"\u3053\u3053\u307e\u3067\u306e\u7d50\u679c\u3092\u307e\u3068\u3081\u308b\u3068\u3001 \\begin{align} \\begin{cases} \\delta_i^{\\ell} = \\left( (\\widetilde{\\Theta^{\\ell}})^T \\delta^{\\ell + 1} \\right)_i\\,\\varsigma^\\prime(z_i^{\\ell}), &2 \\le \\ell \\le L - 1,\\ 1 \\le i \\le s_{\\ell + 1} \\\\ \\delta_i^L = a_i^L - y_i, &1 \\le i \\le K \\end{cases} \\end{align} \u3068 \\begin{equation} \\frac{\\\u2026","categories":["machine_learning","MOOC"],"type":"rich","provider_name":"Hatena Blog","version":"1.0","width":"100%","title":"\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (4) \u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5 (3)","published":"2015-09-11 07:16:42","author_url":"https://blog.hatena.ne.jp/derwind/","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6","image_url":null,"blog_url":"https://randommemory.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2015%2F09%2F11%2F071642\" title=\"\u30cb\u30e5\u30fc\u30e9\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (4) \u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5 (3) - \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>","url":"https://randommemory.hatenablog.com/entry/2015/09/11/071642","author_name":"derwind","height":"190"}