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Function multinomial #
Multinomial Coefficients compute the number of ways of picking a1, a2, ..., ai unordered outcomes from n possibilities.
multinomial takes one array of integers as an argument. The following condition must be enforced: every ai <= 0
Syntax #
math.multinomial(a) // a is an array type
Parameters #
| Parameter | Type | Description |
|---|---|---|
a |
number[] | BigNumber[] | Integer numbers of objects in the subset |
Returns #
| Type | Description |
|---|---|
| Number | BigNumber | Multinomial coefficient. |
Examples #
math.multinomial([1,2,1]) // returns 12