{"provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/smoking186/","image_url":null,"description":"8\u67085\u65e5\u306f\u30cf\u30fc\u30b3\u30fc\u3068\u3044\u3046\u3053\u3068\u3067\u30cf\u30fc\u30c9\u30b3\u30a2\u306e\u65e5\u3060\u305d\u3046\u3067\u3059. (\u3061\u3083\u3093\u3068\u65e5\u672c\u8a18\u5ff5\u65e5\u5354\u4f1a\u306b\u5c4a\u3051\u51fa\u305f\u305d\u3046\u3067.)\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u30cf\u30fc\u30c9\u30b3\u30a2\u95a2\u6570\u306e\u8a71\u3092\u3057\u307e\u3059. Goldreich-Levin\u30cf\u30fc\u30c9\u30b3\u30a2\u8ff0\u8a9e\u3068\u30ea\u30b9\u30c8\u5fa9\u53f7\u306e\u8a71\u306f\u3088\u304f\u51fa\u308b\u3093\u3067\u3059\u304c, GL\u30cf\u30fc\u30c9\u30b3\u30a2\u8ff0\u8a9e\u3068\u30d5\u30fc\u30ea\u30a8\u5909\u63db\u306e\u8a71\u306f\u3042\u3093\u307e\u308a\u51fa\u306a\u3044\u3093\u3067\u5927\u96d1\u628a\u306a\u8a71\u3092\u4e00\u5e2d.\u4ee5\u4e0b\u3067\u306f, F=F2n\u3068\u3057\u307e\u3059.\u8ff0\u8a9eb\u304c\u95a2\u6570f:F\u2192F\u306e\u30cf\u30fc\u30c9\u30b3\u30a2\u8ff0\u8a9e\u3067\u3042\u308b\u3068\u306f, b:F\u2192{0,1}\u304c\u591a\u9805\u5f0f\u6642\u9593\u3067\u8a08\u7b97\u53ef\u80fd, \u4efb\u610f\u306e\u591a\u9805\u5f0f\u6642\u9593\u306e\u6575D\u306b\u5bfe\u3057\u3066, \u7121\u8996\u3067\u304d\u308b\u95a2\u6570\u03b5\u304c\u5b58\u5728\u3057, \u304c\u6210\u7acb\u3059\u308b\u3053\u3068\u3067\u3059.Goldreich\u3068Levin\u3044\u308f\u304f, \u9069\u5f53\u306a\u4e00\u65b9\u5411\u6027\u95a2\u6570f:F\u2192F\u306b\u5bfe\u3057\u3066, f'(\u2026","title":" \u4e00\u822c\u30cf\u30fc\u30c9\u30b3\u30a2\u95a2\u6570\u306e\u8a3c\u660e\u3068\u30d5\u30fc\u30ea\u30a8\u5909\u63db","blog_url":"https://186.hatenablog.com/","width":"100%","version":"1.0","blog_title":"186 @ hatenablog","author_name":"smoking186","categories":["crypt"],"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2F186.hatenablog.com%2Fentry%2F20090805%2F1249479026\" title=\" \u4e00\u822c\u30cf\u30fc\u30c9\u30b3\u30a2\u95a2\u6570\u306e\u8a3c\u660e\u3068\u30d5\u30fc\u30ea\u30a8\u5909\u63db - 186 @ hatenablog\" 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://186.hatenablog.com/entry/20090805/1249479026","published":"2009-08-05 22:30:26"}