FactorialPower

可用

Falling factorial n*(n-1)*...*(n-k+1).

形式

FactorialPower[x, n]

FactorialPower[x, n, h]

验证过的示例FactorialPower[5, 0] → 1

在 Qurak 上运行搜索参考

主题

Combinatorial Functions - General
Discrete Calculus - Special Sequences »
Gamma Functions And Related Functions - Integer-Oriented Functions
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New In70 Mathematics And Algorithms - New Combinatorial Functions »
Recurrence And Sum Functions - General

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