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