# Function map

Create a new matrix or array with the results of the callback function executed on each entry of the matrix/array.


### Parameters

Parameter | Type | Description
--------- | ---- | -----------
`x` | Matrix/array | The container to iterate on.
`callback` | function | The callback method is invoked with three parameters: the value of the element, the index of the element, and the Matrix being traversed.

### Returns

Type | Description
---- | -----------
Matrix/array | container




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