摘要: 阶乘幂 (Factorial Power) 主要有递进阶乘和递降阶乘两种. 分别记为: \[ \begin{aligned} x^{\overline{n}} = \prod_{i = 0}^{n - 1} (x + i) &= \frac{(x + n - 1)!}{(x - 1)!}\\ x^{ 阅读全文
posted @ 2022-04-07 00:23 Wild_Donkey 阅读(331) 评论(0) 推荐(0) 编辑