{"blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","author_name":"kiririmode","image_url":null,"url":"https://kiririmode.hatenablog.jp/entry/20080908/p3","author_url":"https://blog.hatena.ne.jp/kiririmode/","categories":["SICP"],"height":"190","blog_url":"https://kiririmode.hatenablog.jp/","published":"2008-09-08 00:00:02","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080908%2Fp3\" title=\"\u554f\u984c 3-63 (3.5.3  Exploiting the Stream Paradigm) - \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>","description":"\u6b21\u306b\u793a\u3059\uff0c\u7121\u9650\u30b9\u30c8\u30ea\u30fc\u30e0\u3092\u4f7f\u3063\u3066\u5e73\u65b9\u6839\u3092\u8a08\u7b97\u3059\u308b sqrt-stream \u306e\u4e8c\u3064\u306e\u5b9f\u88c5\u306f\u4f55\u304c\u9055\u3046\u306e\u304b\uff0c\u3068\u3044\u3046\u554f\u984c\uff0e\u5f8c\u8005\u306e\u65b9\u304c\u308f\u308a\u3068\u76f4\u611f\u7684\u3060\u3051\u3069\uff0c\u5b9f\u969b\u306b SICP \u306e\u672c\u6587\u3067\u7528\u3044\u3089\u308c\u3066\u3044\u308b\u306e\u306f\u524d\u8005\u3067\u3042\u308b\uff0e (define (sqrt-stream x) (define guesses (cons-stream 1.0 (stream-map (lambda (guess) (sqrt-improve guess x)) guesses))) guesses) (define (sqrt-stream x) (cons-stream 1.0 (stream-map (lambda (guess) (\u2026","provider_name":"Hatena Blog","title":"\u554f\u984c 3-63 (3.5.3  Exploiting the Stream Paradigm)","width":"100%","version":"1.0","type":"rich","provider_url":"https://hatena.blog"}