# Function boolean

Create a boolean or convert a string or number to a boolean. In case of a number, true is returned for non-zero numbers, and false in case of zero. Strings can be 'true' or 'false', or can contain a number. When value is a matrix, all elements will be converted to boolean.


### Parameters

Parameter | Type | Description
--------- | ---- | -----------
`value` | String | Number | Boolean | Array | Matrix | 

### Returns

Type | Description
---- | -----------
Boolean | Array | Matrix | bool




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