48 lines
918 B
Markdown
48 lines
918 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 setSize
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Count the number of elements of a (multi)set. When a second parameter is 'true', count only the unique values.
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A multi-dimension array will be converted to a single-dimension array before the operation.
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## Syntax
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```js
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math.setSize(set)
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math.setSize(set, unique)
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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` | Array | Matrix | A multiset
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### Returns
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Type | Description
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---- | -----------
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number | The number of elements of the (multi)set
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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.setSize([1, 2, 2, 4]) // returns 4
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math.setSize([1, 2, 2, 4], true) // returns 3
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```
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## See also
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[setUnion](setUnion.md),
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[setIntersect](setIntersect.md),
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[setDifference](setDifference.md)
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