FactorialPower

可用

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

形式

FactorialPower[x, n]

FactorialPower[x, n, h]

已驗證的範例FactorialPower[5, 0] → 1

在 Qurak 上執行搜尋參考文件

主題

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

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