{"categories":["Scheme"],"url":"https://boxnos.hatenablog.com/entry/20070621/1182353795","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","published":"2007-06-21 00:36:35","image_url":null,"blog_title":"\u30dc\u30af\u30ce\u30b9","title":" SICP\u3092\u8aad\u3080(21) \u554f\u984c1.29 - 1.32","width":"100%","description":"\u3057\u3070\u3089\u304f\u9593\u304c\u7a7a\u3044\u3066\u3057\u307e\u3063\u305f\u3002 \u554f\u984c1.29 Simpson\u306e\u516c\u5f0f\u306e\u524d\u306b\u3001\u53f0\u5f62\u516c\u5f0f\u3067\u89e3\u3044\u3066\u307f\u305f\u3002 (define (integral f a b dx) (define (add-dx x) (+ dx x)) (define (term n) (+ (f n) (f (+ n dx)))) (* (sum term a add-dx (- b (/ dx 2))) dx 0.5)) (integral (lambda (x) x) 0 1 0.1) ; 2.0 \u7d42\u7aef\u304c\u30dd\u30a4\u30f3\u30c8\u3002\u524d\u56de\u306e\u8ffd\u8a18\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9762\u5012\u306a\u306e\u3067labda\u3092\u4f7f\u3044\u307e\u3057\u305f(\u3048\u3078\u3067\u306f\u3001Simpson\u306e\u516c\u5f0f (define (si\u2026","type":"rich","version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/tanakaBox/","author_name":"tanakaBox","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070621%2F1182353795\" title=\" SICP\u3092\u8aad\u3080(21) \u554f\u984c1.29 - 1.32 - \u30dc\u30af\u30ce\u30b9\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://boxnos.hatenablog.com/"}