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45 lines
1.2 KiB
Markdown
45 lines
1.2 KiB
Markdown
---
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layout: default
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---
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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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<h1 id="function-cosh">Function cosh <a href="#function-cosh" title="Permalink">#</a></h1>
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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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<h2 id="syntax">Syntax <a href="#syntax" title="Permalink">#</a></h2>
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```js
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math.cosh(x)
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```
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<h3 id="parameters">Parameters <a href="#parameters" title="Permalink">#</a></h3>
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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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<h3 id="returns">Returns <a href="#returns" title="Permalink">#</a></h3>
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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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<h2 id="examples">Examples <a href="#examples" title="Permalink">#</a></h2>
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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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<h2 id="see-also">See also <a href="#see-also" title="Permalink">#</a></h2>
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[sinh](sinh.html),
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[tanh](tanh.html)
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