tfm.optimization.math.perm
Number of ways to choose k items from n items without repetition and with order.
tfm.optimization.math.perm(
n, k, /
)
Evaluates to n! / (n - k)! when k <= n and evaluates
to zero when k > n.
If k is not specified or is None, then k defaults to n
and the function returns n!.
Raises TypeError if either of the arguments are not integers.
Raises ValueError if either of the arguments are negative.
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Last updated 2024-02-02 UTC.
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