{"title":"\u554f\u984c 3-65 (3.5.3  Exploiting the Stream Paradigm)","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080919%2Fp2\" title=\"\u554f\u984c 3-65 (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":"\u4eca\u5ea6\u306f\uff0c \u3092\u4f7f\u3063\u3066\uff0c \u306e\u771f\u306e\u5024\u3092\u6c42\u3081\u308b\u3088\u30fc\uff0e\u3068\u3044\u3063\u3066\u3082\u307b\u3068\u3093\u3069 SICP \u306b\u3084\u308a\u304b\u305f\u304c\u66f8\u3044\u3066\u3042\u308b\u306e\u3067\uff0c\u307c\u304f\u306f Scheme \u3092\u66f8\u304f\u3060\u3051\u3060\uff0e\u307e\u305a\u306f\u3053\u308c\u304c\u4e0a\u8a18\u306e\u7dcf\u548c\u3092\u3068\u3063\u3066\u308b\u3084\u3064\u306e\u5404\u9805\u3092\u30b9\u30c8\u30ea\u30fc\u30e0\u306b\u3057\u305f\u3082\u306e\uff0e\u306a\u308b\u307b\u3069\u3068\u3066\u3082\u76f4\u611f\u7684\u3060\uff0e (define (ln2-summands n) (cons-stream (/ 1.0 n) (stream-map - (ln2-summands (+ n 1))))) \u6b21\u306b\u90e8\u5206\u548c\u3092\u53d6\u308b\uff0e (define ln2-stream (partial-sums (ln2-summands 1))) \u4eca ln2-summands \u306e\u7b2c i \u8981\u7d20\u3092 \u3068\u3059\u308b\u3068\uff0c\u30b9\u30c8\u30ea\u30fc\u30e0 \u2026","version":"1.0","provider_name":"Hatena Blog","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","author_name":"kiririmode","blog_url":"https://kiririmode.hatenablog.jp/","image_url":null,"author_url":"https://blog.hatena.ne.jp/kiririmode/","type":"rich","height":"190","published":"2008-09-19 00:00:01","width":"100%","url":"https://kiririmode.hatenablog.jp/entry/20080919/p2","categories":["SICP"]}