47 lines
900 B
Markdown
47 lines
900 B
Markdown
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<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
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# Function multinomial
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Multinomial Coefficients compute the number of ways of picking a1, a2, ..., ai unordered outcomes from `n` possibilities.
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multinomial takes one array of integers as an argument.
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The following condition must be enforced: every ai <= 0
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## Syntax
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```js
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math.multinomial(a) // a is an array type
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```
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### Parameters
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Parameter | Type | Description
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--------- | ---- | -----------
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`a` | number[] | BigNumber[] | Integer numbers of objects in the subset
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### Returns
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Type | Description
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---- | -----------
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Number | BigNumber | Multinomial coefficient.
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### Throws
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Type | Description
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---- | -----------
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## Examples
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```js
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math.multinomial([1,2,1]) // returns 12
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```
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## See also
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[combinations](combinations.md),
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[factorial](factorial.md)
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