Function combinationsWithRep #

Compute the number of ways of picking k unordered outcomes from n possibilities, allowing individual outcomes to be repeated more than once.

CombinationsWithRep only takes integer arguments. The following condition must be enforced: k <= n + k -1.

Syntax #

math.combinationsWithRep(n, k)

Parameters #

Parameter Type Description
n number | BigNumber Total number of objects in the set
k number | BigNumber Number of objects in the subset

Returns #

Type Description
number | BigNumber Number of possible combinations with replacement.

Throws #

Type | Description —- | ———–

Examples #

math.combinationsWithRep(7, 5) // returns 462

See also #

combinations, permutations, factorial

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