inamori https://blog.hatena.ne.jp/inamori/ inamori’s diary https://inamori.hateblo.jp/ JavaScript 2次と4次の多項式の掛け算は次のようになる。 f(x) = a0 + a1x + ... + a6x6 g(x) = b0 + b1x + ... + b2x2 h(x) = c0 + c1x + ... + c4x4 f(x) = g(x)h(x)とすると、 a0 = b0c0 a1 = b0c1 + b1c0 -------------------- a2 = b0c2 + b1c1 + b2c0 a3 = b0c3 + b1c2 + b2c1 a4 = b0c4 + b1c3 + b2c2 -------------------- a5 = b1c4 + b2c3 a6 = b2c4 こ… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20061114%2Fp1" title="JScript高速化（13） - inamori’s diary" 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 2006-11-14 00:00:00 rich https://inamori.hateblo.jp/entry/20061114/p1 1.0 100%