mirror of
https://github.com/josdejong/mathjs.git
synced 2026-01-18 14:59:29 +00:00
49 lines
1.1 KiB
Markdown
49 lines
1.1 KiB
Markdown
<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
|
|
|
|
# Function ceil
|
|
|
|
Round a value towards plus infinity
|
|
If `x` is complex, both real and imaginary part are rounded towards plus infinity.
|
|
For matrices, the function is evaluated element wise.
|
|
|
|
|
|
## Syntax
|
|
|
|
```js
|
|
math.ceil(x)
|
|
```
|
|
|
|
### Parameters
|
|
|
|
Parameter | Type | Description
|
|
--------- | ---- | -----------
|
|
`x` | number | BigNumber | Fraction | Complex | Array | Matrix | Number to be rounded
|
|
|
|
### Returns
|
|
|
|
Type | Description
|
|
---- | -----------
|
|
number | BigNumber | Fraction | Complex | Array | Matrix | Rounded value
|
|
|
|
|
|
## Examples
|
|
|
|
```js
|
|
math.ceil(3.2); // returns number 4
|
|
math.ceil(3.8); // returns number 4
|
|
math.ceil(-4.2); // returns number -4
|
|
math.ceil(-4.7); // returns number -4
|
|
|
|
var c = math.complex(3.2, -2.7);
|
|
math.ceil(c); // returns Complex 4 - 2i
|
|
|
|
math.ceil([3.2, 3.8, -4.7]); // returns Array [4, 4, -4]
|
|
```
|
|
|
|
|
|
## See also
|
|
|
|
[floor](floor.md),
|
|
[fix](fix.md),
|
|
[round](round.md)
|