50 lines
882 B
Markdown
50 lines
882 B
Markdown
<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
|
|
|
|
# Function asec
|
|
|
|
Calculate the inverse secant of a value. Defined as `asec(x) = acos(1/x)`.
|
|
|
|
For matrices, the function is evaluated element wise.
|
|
|
|
|
|
## Syntax
|
|
|
|
```js
|
|
math.asec(x)
|
|
```
|
|
|
|
### Parameters
|
|
|
|
Parameter | Type | Description
|
|
--------- | ---- | -----------
|
|
`x` | number | Complex | Array | Matrix | Function input
|
|
|
|
### Returns
|
|
|
|
Type | Description
|
|
---- | -----------
|
|
number | Complex | Array | Matrix | The arc secant of x
|
|
|
|
|
|
### Throws
|
|
|
|
Type | Description
|
|
---- | -----------
|
|
|
|
|
|
## Examples
|
|
|
|
```js
|
|
math.asec(0.5) // returns 1.0471975511965979
|
|
math.asec(math.sec(1.5)) // returns 1.5
|
|
|
|
math.asec(2) // returns 0 + 1.3169578969248166 i
|
|
```
|
|
|
|
|
|
## See also
|
|
|
|
[acos](acos.md),
|
|
[acot](acot.md),
|
|
[acsc](acsc.md)
|