{"author_url":"https://blog.hatena.ne.jp/kiririmode/","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_name":"kiririmode","blog_url":"https://kiririmode.hatenablog.jp/","version":"1.0","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","height":"190","url":"https://kiririmode.hatenablog.jp/entry/20071019/p2","description":"\u9023\u5206\u6570\u306e\u5024\u3092\u6c42\u3081\u308bcont-frac\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002 \u305f\u3060\u3057\u3001\u3053\u308c\u306f\u5b9f\u969b\u306b\u306fk\u9805\u6709\u9650\u9023\u5206\u6570\u3092\u8a08\u7b97\u3059\u308b\u3002 (define (cont-frac n d k) (define (sub-cont-frac n d k ans) (if (= k 0) ans (sub-cont-frac n d (- k 1) (/ (n k) (+ (d k) ans))))) (sub-cont-frac n d k 1)) N_i, D_i\u306e\u3059\u3079\u3066\u304c1\u3060\u3068\u3001\u3053\u308c\u306f1/\u9ec4\u91d1\u6bd4\u306b\u53ce\u675f\u3059\u308b\u3089\u3057\u3044\u3002 gosh> (cont-frac (lambda (i) 1.0) (lambda (i) 1.0) 9) 0.617\u2026","title":"\u554f\u984c1-37(a)","categories":["SICP"],"published":"2007-10-19 00:00:01","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20071019%2Fp2\" title=\"\u554f\u984c1-37(a) - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","width":"100%","image_url":null}