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

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# Function asinh
Calculate the hyperbolic arcsine of a value,
defined as `asinh(x) = ln(x + sqrt(x^2 + 1))`.
For matrices, the function is evaluated element wise.
## Syntax
```js
math.asinh(x)
```
### Parameters
Parameter | Type | Description
--------- | ---- | -----------
`x` | number &#124; Complex &#124; Array &#124; Matrix | Function input
### Returns
Type | Description
---- | -----------
number &#124; Complex &#124; Array &#124; Matrix | Hyperbolic arcsine of x
### Throws
Type | Description
---- | -----------
## Examples
```js
math.asinh(0.5) // returns 0.48121182505960347
```
## See also
[acosh](acosh.md),
[atanh](atanh.md)