{"blog_title":"\u307e\u3081\u3081\u3082","blog_url":"https://mametter.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/ku-ma-me/","image_url":"http://dame.dyndns.org/misc/fib-sunflower/sunflower_small.png","description":"\u6700\u8fd1\u4f55\u304b\u3068\u8a71\u984c\u306e\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u8a08\u7b97\u306e\u9ad8\u901f\u5316\u3067\u3059\u304c\u3001 F(n) = (fib(n+1), fib(n)) \uff082\u6b21\u5143\u306e\u7e26\u30d9\u30af\u30c8\u30eb\u3060\u304c\u8868\u8a18\u306e\u90fd\u5408\u3067\u6a2a\u306b\u66f8\u304f\uff09 A = ((1, 1), (1, 0)) \uff08\u7b2c1\u884c\u304c(1, 1)\u3067\u7b2c2\u884c\u304c(1, 0)\u306e\u884c\u5217\uff09 \u3059\u308b\u3068\uff0cF(n) = A F(n-1) = A A F(n-2) = A A A F(n-3) = ...\u3068\u306a\u308b\u304b\u3089\uff0cF(n)\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u306b\u306f\uff0cA\u306en\u4e57\u3092\u8a08\u7b97\u3057\u3066\uff0c\u305d\u308c\u306b\u53f3\u304b\u3089F(0)\u3092\u304b\u3051\u308c\u3070\u826f\u3044\u3053\u3068\u306b\u306a\u308b\u3002 \u8a08\u7b97\u91cf\u306e\u5de5\u592b\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5287\u7684\u306b\u901f\u304f\u306a\u308b \u4ee5\u524d\u3053\u306e\u8a18\u4e8b\u3092\u8aad\u3093\u3060\u3068\u304d\u3082\u3001\u306f\u306f\u30fc\u3001\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u3068\u304d\u306f\u5b9f\u88c5\u3057\u3066\u307f\u306a\u304b\u3063\u305f\u306e\u3067\u3061\u3087\u3063\u3068\u5b9f\u2026","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmametter.hatenablog.com%2Fentry%2F20071203%2Fp1\" title=\" \u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u3068\u3072\u307e\u308f\u308a - \u307e\u3081\u3081\u3082\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2007-12-03 00:00:00","provider_url":"https://hatena.blog","width":"100%","categories":["Ruby"],"author_name":"ku-ma-me","version":"1.0","title":" \u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u3068\u3072\u307e\u308f\u308a","height":"190","url":"https://mametter.hatenablog.com/entry/20071203/p1","type":"rich"}