simple-squiggle/node_modules/mathjs/docs/reference/functions/concat.md

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<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
# Function concat
Concatenate two or more matrices.
## Syntax
```js
math.concat(A, B, C, ...)
math.concat(A, B, C, ..., dim)
```
### Where
- `dim: number` is a zero-based dimension over which to concatenate the matrices.
By default the last dimension of the matrices.
### Parameters
Parameter | Type | Description
--------- | ---- | -----------
`args` | ... Array &#124; Matrix | Two or more matrices
### Returns
Type | Description
---- | -----------
Array &#124; Matrix | Concatenated matrix
### Throws
Type | Description
---- | -----------
## Examples
```js
const A = [[1, 2], [5, 6]]
const B = [[3, 4], [7, 8]]
math.concat(A, B) // returns [[1, 2, 3, 4], [5, 6, 7, 8]]
math.concat(A, B, 0) // returns [[1, 2], [5, 6], [3, 4], [7, 8]]
math.concat('hello', ' ', 'world') // returns 'hello world'
```
## See also
[size](size.md),
[squeeze](squeeze.md),
[subset](subset.md),
[transpose](transpose.md)