Function combinations
Compute the number of ways of picking k
unordered outcomes from n
possibilities.
Combinations only takes integer arguments. The following condition must be enforced: k <= n.
Syntax
combinations(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. |
Examples
combinations(7, 5); // returns 21