kiririmode https://blog.hatena.ne.jp/kiririmode/ 理系学生日記 https://kiririmode.hatenablog.jp/ SICP 記号的微分を中置記法に対して行えるように変更しろって言う課題で、変更点は以下な感じ。 (define (make-sum a1 a2) (cond ((=number? a1 0) a2) ((=number? a2 0) a1) ((and (number? a1) (number? a2)) (+ a1 a2)) (else (list a1 '+ a2)))) (define (make-product m1 m2) (cond ((or (=number? m1 0) (=number? m2 0)) 0) ((=number? m1 1) m2) ((=number? m2 1) m… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20071224%2Fp2" title="問題2-58 (2.3.2 Example: Symbolic Differentiation) - 理系学生日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2007-12-24 00:00:01 rich https://kiririmode.hatenablog.jp/entry/20071224/p2 1.0 100%