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51 lines
1.4 KiB
Markdown
51 lines
1.4 KiB
Markdown
---
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layout: default
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---
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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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<h1 id="function-multinomial">Function multinomial <a href="#function-multinomial" title="Permalink">#</a></h1>
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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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<h2 id="syntax">Syntax <a href="#syntax" title="Permalink">#</a></h2>
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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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<h3 id="parameters">Parameters <a href="#parameters" title="Permalink">#</a></h3>
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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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<h3 id="returns">Returns <a href="#returns" title="Permalink">#</a></h3>
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Type | Description
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---- | -----------
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Number | BigNumber | Multinomial coefficient.
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<h3 id="throws">Throws <a href="#throws" title="Permalink">#</a></h3>
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Type | Description
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---- | -----------
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<h2 id="examples">Examples <a href="#examples" title="Permalink">#</a></h2>
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```js
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math.multinomial([1,2,1]) // returns 12
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```
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<h2 id="see-also">See also <a href="#see-also" title="Permalink">#</a></h2>
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[combinations](combinations.html),
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[factorial](factorial.html)
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