{"published":"2019-09-24 00:53:15","author_name":"derwind","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frandommemory.hatenablog.com%2Fentry%2F2019%2F09%2F24%2F005315\" title=\"\u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5\u306b\u3064\u3044\u3066\u518d\u3073\u8003\u3048\u3066\u307f\u308b(5) - \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_url":"https://randommemory.hatenablog.com/","description":"$t = (t_1, t_2) = (0, 1)$ \u306e\u5834\u5408\u306e\u8a08\u7b97\u306b\u3064\u3044\u3066\u3082\u7c21\u5358\u306b\u78ba\u8a8d\u3059\u308b\u3002 $\\frac{\\del E}{\\del y_1} = - \\frac{\\log(y_2)}{\\del y_1} =- \\frac{\\log(1 - y_1)}{\\del y_1} = \\frac{1}{1 - y_1}$ \u3067\u3042\u308b\u306e\u3067\u3001 $\\frac{\\del E}{\\del y_1} \\frac{\\del y_1}{\\del \\gamma_1} = \\frac{1}{1 - y_1} y_1(1 - y_1) = y_1 = y_1 - 0 = y_1 - t_1$, $\\frac{\\del E}{\\d\u2026","author_url":"https://blog.hatena.ne.jp/derwind/","provider_name":"Hatena Blog","image_url":null,"version":"1.0","url":"https://randommemory.hatenablog.com/entry/2019/09/24/005315","title":"\u8aa4\u5dee\u9006\u4f1d\u64ad\u6cd5\u306b\u3064\u3044\u3066\u518d\u3073\u8003\u3048\u3066\u307f\u308b(5)","type":"rich","width":"100%","provider_url":"https://hatena.blog","categories":["machine_learning"],"height":"190","blog_title":"\u3089\u3093\u3060\u3080\u306a\u8a18\u61b6"}