{"categories":["SICP"],"version":"1.0","published":"2008-08-27 00:00:02","image_url":null,"blog_url":"https://kiririmode.hatenablog.jp/","type":"rich","author_url":"https://blog.hatena.ne.jp/kiririmode/","author_name":"kiririmode","url":"https://kiririmode.hatenablog.jp/entry/20080827/p3","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080827%2Fp3\" title=\"\u554f\u984c 3-59 (3.5.2  Infinite Streams) - \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>","width":"100%","provider_url":"https://hatena.blog","title":"\u554f\u984c 3-59 (3.5.2  Infinite Streams)","height":"190","provider_name":"Hatena Blog","description":"\u8ab2\u984c a \u3068\u3044\u3046\u7121\u9650\u30b9\u30c8\u30ea\u30fc\u30e0\u304c\u4e0e\u3048\u3089\u308c\u305f\u3068\u304d\uff0c \u3092\u8fd4\u3059\u95a2\u6570 integrate-series \u3092\u4f5c\u6210\u3057\u307e\u3059\uff0e\u306a\u3093\u3067\u3053\u306e\u95a2\u6570\u304c integrate-series \u3068\u3044\u3046\u540d\u524d\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068\uff0c \u306e\u7a4d\u5206\u304c \u3068\u306a\u308a\uff0c\u305d\u306e\u7a4d\u5206\u306e\u4fc2\u6570\u304c\u8fd4\u3055\u308c\u3066\u3044\u308b\u304b\u3089\u3067\u3059\u306d (\u5b9a\u6570\u9805\u306f\u9664\u304f)\uff0e (define (add-stream s1 s2) (stream-map + s1 s2)) (define integers (cons-stream 1 (add-stream ones integers))) (define (integrate-series S) (stream-map / S integer\u2026","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18"}