Falling factorial
This is referred to as the nth falling factorial power of x. It can also be referred to as the nth falling factorial of x. ,Relation to umbral calculus[edit] ... The falling factorial occurs in a formula which represents polynomials using the forward difference operator Δ and which is ...
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 Falling factorial 相關參考資料
16)falling factorial n+2,4 - Wolfram|Alpha
((1/12)falling factorial 2n+2,4) + ((1/6)falling factorial 2n+2,3) -((1/6)falling factorial n+2,4) - ((1/3)falling factorial n+2,3). Natural Language https://www.wolframalpha.com Definition:Falling Factorial - ProofWiki
This is referred to as the nth falling factorial power of x. It can also be referred to as the nth falling factorial of x. https://proofwiki.org Falling and rising factorials - Wikipedia
Relation to umbral calculus[edit] ... The falling factorial occurs in a formula which represents polynomials using the forward difference operator Δ and which is ... https://en.wikipedia.org Falling and rising factorials - Wikiwand
In mathematics, the falling factorial is defined as the polynomial. https://www.wikiwand.com Falling Factorial -- from Wolfram MathWorld
https://mathworld.wolfram.com falling factorial in nLab
2020年10月13日 — 1. Definition ... xk̲=x(x−1)…(x−k+1). If X and Y are two finite sets of cardinalities |X|=k and |Y|=n, then the falling factorial nk̲ counts the ... https://ncatlab.org Is there a rule to the terms of a falling factorial? - Mathematics ...
The present discussion is polluted by the confusion of unfortunate symbols for falling and rising factorials as well as the Pochhammer symbol. https://math.stackexchange.com 遞進階乘與遞降階乘- 维基百科，自由的百科全书
在数学中，階乘冪（英語：Factorial power）是基于自然數数列积的一种运算，分為遞進階乘（英語：Rising factorial）和遞降階乘（英語：Falling factorial），或稱上升 ... https://zh.wikipedia.org |