{"title":"\u7db2\u7f85\u6027\u3068\u5b8c\u5168\u6027","version":"1.0","author_name":"m-hiyama-memo","height":"190","type":"rich","image_url":null,"author_url":"https://blog.hatena.ne.jp/m-hiyama-memo/","published":"2017-10-09 16:20:48","blog_url":"https://m-hiyama-memo.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fm-hiyama-memo.hatenablog.jp%2Fentry%2F20171009%2F1507533648\" title=\"\u7db2\u7f85\u6027\u3068\u5b8c\u5168\u6027 - (\u4fdd\u5b58\u7528) \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 \u30e1\u30e2\u7de8\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["\u30e1\u30e2","\u96d1\u8a18\uff0f\u5099\u5fd8","\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9"],"description":"\u5b9f\u4f53\u30ce\u30fc\u30c9E\u3068\u305d\u306e\u5c5e\u6027\u96c6\u5408A\u304c\u3042\u308a\u3001A\u3092\u542b\u3080\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u578bR\u304c\u3042\u308b\u3068\u304d\u3001A\u304cR\u306b\u7f6e\u3044\u3066\u7db2\u7f85\u7684\u3068\u306f\u3001 A:E\u2192Tuple(A) \u306f\u5358\u5c04\u3067\u3042\u308b\u3002 R\u306e\u4efb\u610f\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9r\u306b\u304a\u3044\u3066\u3001r[A] = A[E] \u304c\u6210\u7acb\u3059\u308b\u3002 \u3055\u3089\u306b\u3001r|\u2192r[A] \u304c\u5e38\u306b\u5358\u5c04\uff08\u3064\u307e\u308a\u3001\u30ad\u30fc\uff09\u306a\u3089\u3001\u5b8c\u5168\u3068\u547c\u3076\u3002\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u578bR\u306bE\u306e\u5b8c\u5168\u5c5e\u6027\u96c6\u5408A\u304c\u3042\u308b\u306a\u3089\u3001R[A]\u3092E\u306e\u4ee3\u7406\u306b\u3057\u3066\u3088\u3044\u3002\u5c5e\u6027\u96c6\u5408\u304c\u3001\u4e16\u754c\u30e2\u30c7\u30eb\u5074\u3067\u306f\u3001\u5c04\u3068\u3057\u3066\u306e\u5c5e\u6027\u306e\u96c6\u5408\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30e2\u30c7\u30eb\u5074\u3067\u306f\u3001\u5c5e\u6027\u540d\u306e\u96c6\u5408\u3067\u5c04\u5f71\u3092\u5b9a\u7fa9\u3059\u308b\u3001\u3068\u89e3\u91c8\u3092\u3057\u3066\u3044\u308b\u3002ER-\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u56f3\u3092\u63cf\u3051\u3070\u5206\u304b\u308a\u3084\u3059\u3044\u3002\u95a2\u9023\u304c\u5168\u57df\u304b\u3069\u3046\u304b\u306f\u3001\u5b8c\u5168\u5c5e\u6027\u30bb\u30c3\u30c8\u304c\u306a\u3044\u3068\u5224\u65ad\u3067\u304d\u306a\u3044\u3002","width":"100%","provider_name":"Hatena Blog","blog_title":"(\u4fdd\u5b58\u7528) \u6a9c\u5c71\u6b63\u5e78\u306e\u30ad\u30de\u30a4\u30e9\u98fc\u80b2\u8a18 \u30e1\u30e2\u7de8","provider_url":"https://hatena.blog","url":"https://m-hiyama-memo.hatenablog.jp/entry/20171009/1507533648"}