# Function flatten Flatten a multi dimensional matrix into a single dimensional matrix. It is guaranteed to always return a clone of the argument. ## Syntax ```js math.flatten(x) ``` ### Parameters Parameter | Type | Description --------- | ---- | ----------- `x` | Matrix | Array | Matrix to be flattened ### Returns Type | Description ---- | ----------- Matrix | Array | Returns the flattened matrix ### Throws Type | Description ---- | ----------- ## Examples ```js math.flatten([[1,2], [3,4]]) // returns [1, 2, 3, 4] ``` ## See also [concat](concat.md), [resize](resize.md), [size](size.md), [squeeze](squeeze.md)