{"image_url":null,"blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","height":"190","published":"2007-11-10 00:00:02","author_name":"kiririmode","type":"rich","provider_name":"Hatena Blog","width":"100%","description":"\u4e2d\u592e\u5024\u3068\u30d1\u30fc\u30bb\u30f3\u30c8\u76f8\u5bfe\u8a31\u5bb9\u8aa4\u5dee\u304b\u3089\u533a\u9593\u3092\u8a08\u7b97\u3059\u308bmake-center-percent\u3068\u3001\u533a\u9593\u304b\u3089\u30d1\u30fc\u30bb\u30f3\u30c8\u76f8\u5bfe\u8a31\u5bb9\u8aa4\u5dee\u3092\u8a08\u7b97\u3059\u308bpercent\u66f8\u3044\u305f\u3002 (define (make-center-percent c p) (make-interval (* c (- 1 p)) (* c (+ 1 p)))) (define (percent i) (let ((interval (- (upper-bound i) (lower-bound i))) (center (/ (+ (upper-bound i) (lower-bound i)) 2))) (/ (/ interval cent\u2026","blog_url":"https://kiririmode.hatenablog.jp/","categories":["SICP"],"title":"\u554f\u984c2-12","url":"https://kiririmode.hatenablog.jp/entry/20071110/p3","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20071110%2Fp3\" title=\"\u554f\u984c2-12 - \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>","author_url":"https://blog.hatena.ne.jp/kiririmode/","version":"1.0","provider_url":"https://hatena.blog"}