{"categories":["SICP"],"version":"1.0","provider_name":"Hatena Blog","title":"SICP\u554f\u984c4.18","author_url":"https://blog.hatena.ne.jp/tmurata/","blog_url":"https://tmurata.hatenadiary.org/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftmurata.hatenadiary.org%2Fentry%2F20100325%2F1269520114\" title=\"SICP\u554f\u984c4.18 - 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%","blog_title":"tmurata\u306e\u65e5\u8a18","provider_url":"https://hatena.blog","description":"3.5.4\u7bc0\u306esolve\u624b\u7d9a\u304d: (define (solve f y0 dt) (define y (integral (delay dy) y0 dt)) (define dy (stream-map f y)) y) \u3092\u554f\u984c\u3067\u793a\u3057\u305f\u3088\u3046\u306b\u5185\u90e8\u5b9a\u7fa9\u3092\u6383\u304d\u51fa\u3057\u305f\u5834\u5408\u306b\u52d5\u4f5c\u3059\u308b\u304b?\u672c\u6587\u306b\u793a\u3057\u305f\u3088\u3046\u306b\u6383\u304d\u51fa\u3057\u305f\u3089\u52d5\u4f5c\u3059\u308b\u304b?\u3092\u8ff0\u3079\u308b\u3002\u4e09\u7ae0\u306e\u30b9\u30c8\u30ea\u30fc\u30e0\u95a2\u4fc2\u306e\u624b\u7d9a\u304d\u52d5\u304b\u305d\u3046\u3068\u601d\u3063\u305f\u3089define-macro\u3068\u304b\u7d44\u307f\u8fbc\u307e\u306a\u3044\u3068\u30c0\u30e1\u3058\u3083\u3093!\u3068\u3044\u3046\u3053\u3068\u3067\u8133\u5185\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\u3002solve\u3092\u554f\u984c\u3067\u793a\u3057\u305f\u3088\u3046\u306b\u6383\u304d\u51fa\u3059\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u3002 (define (solve f y0 dt) (lambda (f y0 \u2026","published":"2010-03-25 21:28:34","height":"190","url":"https://tmurata.hatenadiary.org/entry/20100325/1269520114","type":"rich","image_url":null,"author_name":"tmurata"}