mirror of
https://github.com/josdejong/mathjs.git
synced 2026-01-18 14:59:29 +00:00
44 lines
840 B
Markdown
44 lines
840 B
Markdown
<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
|
|
|
|
# Function size
|
|
|
|
Calculate the size of a matrix or scalar.
|
|
|
|
|
|
## Syntax
|
|
|
|
```js
|
|
math.size(x)
|
|
```
|
|
|
|
### Parameters
|
|
|
|
Parameter | Type | Description
|
|
--------- | ---- | -----------
|
|
`x` | boolean | number | Complex | Unit | string | Array | Matrix | A matrix
|
|
|
|
### Returns
|
|
|
|
Type | Description
|
|
---- | -----------
|
|
Array | Matrix | A vector with size of `x`.
|
|
|
|
|
|
## Examples
|
|
|
|
```js
|
|
math.size(2.3); // returns []
|
|
math.size('hello world'); // returns [11]
|
|
|
|
var A = [[1, 2, 3], [4, 5, 6]];
|
|
math.size(A); // returns [2, 3]
|
|
math.size(math.range(1,6)); // returns [5]
|
|
```
|
|
|
|
|
|
## See also
|
|
|
|
[resize](resize.md),
|
|
[squeeze](squeeze.md),
|
|
[subset](subset.md)
|