{"description":"\u4fee\u6b63\u3057\u305f fixed-point (define (fixed-point f first-guess) (define (close-enough? v1 v2) (< (abs (- v1 v2)) tolerance)) (define (try guess) (let ((next (f guess))) (display next) (newline) (if (close-enough? guess next) next (try next)))) (try first-guess)) x |-> log(1000)/log(x) \u306e\u4e0d\u52d5\u70b9\u3092\u63a2\u7d22\u3059\u308b\u3053\u3068\u3067 (x^2) = 1000\u2026","image_url":null,"provider_name":"Hatena Blog","height":"190","blog_url":"https://tmurata.hatenadiary.org/","version":"1.0","author_url":"https://blog.hatena.ne.jp/tmurata/","type":"rich","title":"SICP\u554f\u984c1.36","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftmurata.hatenadiary.org%2Fentry%2F20090416%2F1239837905\" title=\"SICP\u554f\u984c1.36 - tmurata\u306e\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>","width":"100%","provider_url":"https://hatena.blog","published":"2009-04-16 08:25:05","categories":["SICP"],"blog_title":"tmurata\u306e\u65e5\u8a18","author_name":"tmurata","url":"https://tmurata.hatenadiary.org/entry/20090416/1239837905"}