47 lines
833 B
Markdown
47 lines
833 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 cosh
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Calculate the hyperbolic cosine of a value,
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defined as `cosh(x) = 1/2 * (exp(x) + exp(-x))`.
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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.cosh(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 | BigNumber | Complex | Unit | Array | Matrix | Function input
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### Returns
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Type | Description
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---- | -----------
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number | BigNumber | Complex | Array | Matrix | Hyperbolic cosine 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.cosh(0.5) // returns number 1.1276259652063807
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```
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## See also
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[sinh](sinh.md),
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[tanh](tanh.md)
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