{"author_name":"tanakaBox","provider_url":"https://hatena.blog","version":"1.0","categories":["Scheme"],"url":"https://boxnos.hatenablog.com/entry/20070801/1185971103","title":" SICP\u3092\u8aad\u3080(42) \u554f\u984c 2.10 \u30bc\u30ed\u9664\u7b97\u306e\u691c\u51fa","blog_title":"\u30dc\u30af\u30ce\u30b9","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/tanakaBox/","published":"2007-08-01 21:25:03","blog_url":"https://boxnos.hatenablog.com/","type":"rich","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20070801%2F1185971103\" title=\" SICP\u3092\u8aad\u3080(42) \u554f\u984c 2.10 \u30bc\u30ed\u9664\u7b97\u306e\u691c\u51fa - \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>","image_url":null,"height":"190","description":"\u30bc\u30ed\u9664\u7b97\u3092\u691c\u51fa\u305b\u3088\u3068\u3044\u3046\u554f\u984c\u3002\u7c21\u5358\u3060\u3063\u305f\u306e\u3067\u3001\u3061\u3087\u3063\u3068\u5de5\u592b\u3057\u3066\u307f\u305f\u3002 0 * x = 0\u306a\u306e\u3067\u3001\u4e57\u7b97\u3067\u306e\u30bc\u30ed\u3092\u691c\u51fa\u3067\u304d\u308b\u3002 (define (div-interval x y) (if (= 0 (* (lower-bound y) (upper-bound y))) (error \"div-interval : zero division error\") (mul-interval x (make-interval (/ 1 (upper-bound y)) (/ 1 (lower-bound y)))))) \u3053\u3093\u306a\u3053\u3068\u3082\u51fa\u6765\u308b\u3002 (* 5 4 3 2 1 0) ; 0 \u3075\u3075\u3002\u7d50\u69cb\u4f7f\u3048\u308b\u304b\u3082\u2026"}