47 lines
795 B
Markdown
47 lines
795 B
Markdown
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<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
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# Function atanh
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Calculate the hyperbolic arctangent of a value,
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defined as `atanh(x) = ln((1 + x)/(1 - x)) / 2`.
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For matrices, the function is evaluated element wise.
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## Syntax
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```js
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math.atanh(x)
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```
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### Parameters
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Parameter | Type | Description
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--------- | ---- | -----------
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`x` | number | Complex | Array | Matrix | Function input
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### Returns
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Type | Description
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---- | -----------
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number | Complex | Array | Matrix | Hyperbolic arctangent of x
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### Throws
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Type | Description
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---- | -----------
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## Examples
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```js
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math.atanh(0.5) // returns 0.5493061443340549
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```
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## See also
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[acosh](acosh.md),
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[asinh](asinh.md)
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