Description Usage Arguments Value See Also Examples
Compute the ratio of factorials using Prime Factorization. For example, ComputeDivFact(c(a, b), c(d, e, f)) computes \frac{a! b!}{d! e! f!}.
1 | ComputeDivFact(num, deno = NULL, out.log = FALSE)
|
num |
The vector of all numbers which have their factorials in the numerator. |
deno |
The vector of all numbers which have their factorials
in the denominator. Default is |
out.log |
Is the logarithm of the result returned instead?
Default is |
The result of the ratio or its logarithm
if out.log = TRUE
.
choose
1 2 3 4 5 6 7 8 9 | choose(100, 20)
ComputeDivFact(100, c(20, 80))
lchoose(100, 20)
ComputeDivFact(100, c(20, 80), out.log = TRUE)
factorial(100)
ComputeDivFact(100)
lfactorial(100)
ComputeDivFact(100, out.log = TRUE)
|
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