dfactorial: Double factorial
In CharlotteJana/momcalc: Symbolic Moment Calculation
View source: R/combinatorics.R
Description
This function returns the double factorial n!! of a natural number n.
It is defined as n!! = n*(n-2)*(n-4)*...*1
if n is odd and n!! = n*(n-2)*(n-4)*...*2 if n is even.
Usage
1
dfactorial(n)
Arguments
n
a non negative, natural number
CharlotteJana/momcalc documentation built on Oct. 17, 2019, 7:21 a.m.
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View source: R/combinatorics.R
Description
This function returns the double factorial n!! of a natural number n. It is defined as n!! = n*(n-2)*(n-4)*...*1 if n is odd and n!! = n*(n-2)*(n-4)*...*2 if n is even.
Usage
1 | dfactorial(n)
|
Arguments
n |
a non negative, natural number |
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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