Double factorial
,由 EW Weisstein 著作 · 2002 · 被引用 12 次 — 548). DoubleFactorial. The double factorial can also be extended to negative odd integers using the definition. (-2n-1)!
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 Double factorial 相關參考資料
Double factorial - GeeksforGeeks
2021年4月29日 — Double factorial of a non-negative integer n, is the product of all the integers from 1 to n that have the same parity (odd or even) as n. It is also ... https://www.geeksforgeeks.org Double factorial - Wikipedia
https://en.wikipedia.org Double Factorial -- from Wolfram MathWorld
由 EW Weisstein 著作 · 2002 · 被引用 12 次 — 548). DoubleFactorial. The double factorial can also be extended to negative odd integers using the definition. (-2n-1)! https://mathworld.wolfram.com Double Factorials and Multifactorials | Brilliant Math & Science ...
The double factorial of a positive integer n n n is the generalization of the factorial n ! ; n!; n!; this type of factorial is denoted by n ! ! n!! n!!. It is a type of ... https://brilliant.org Double Fun with Double Factorials - jstor
由 H Gould 著作 · 2012 · 被引用 28 次 — 1, we can define the double factorial by n!! = n · (n − 2)!!. Math. Mag. 85 (2012) 177–192. doi:10.4169/math.mag.85.3.177. c Mathematical Association of ... https://www.jstor.org Factorial - Wikipedia
In mathematics, the factorial of a non-negative integer n, denoted by n!, is the product of all ... 9.1 Backward factorial; 9.2 Double factorial; 9.3 Multifactorials; 9.4 Primorial; 9.5 Superfactorial... https://en.wikipedia.org What is double factorial? - Definition from WhatIs.com
The double factorial, symbolized by two exclamation marks (!!), is a quantity defined for all integer s greater than or equal to -1. For an even integer n , the double ... https://whatis.techtarget.com |