mathjs/docs/reference/functions/squeeze.md

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser and offers an integrated solution to work with numbers, big numbers, complex numbers, units, and matrices.

# Function squeeze

Squeeze a matrix, remove inner and outer singleton dimensions from a matrix.


## Syntax

```js
math.squeeze(x)
```

### Parameters

Parameter | Type | Description
--------- | ---- | -----------
`x` | Matrix | Array | Matrix to be squeezed

### Returns

Type | Description
---- | -----------
Matrix | Array | Squeezed matrix


## Examples

```js
math.squeeze([3]);           // returns 3
math.squeeze([[3]]);         // returns 3

var A = math.zeros(3, 1);    // returns [[0], [0], [0]] (size 3x1)
math.squeeze(A);             // returns [0, 0, 0] (size 3)

var B = math.zeros(1, 3);    // returns [[0, 0, 0]] (size 1x3)
math.squeeze(B);             // returns [0, 0, 0] (size 3)

// only inner and outer dimensions are removed
var C = math.zeros(2, 1, 3); // returns [[[0, 0, 0]], [[0, 0, 0]]] (size 2x1x3)
math.squeeze(C);             // returns [[[0, 0, 0]], [[0, 0, 0]]] (size 2x1x3)
```


## See also

[subset](subset.md)


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