47 lines
812 B
Markdown
47 lines
812 B
Markdown
<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
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# Function acsch
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Calculate the hyperbolic arccosecant of a value,
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defined as `acsch(x) = asinh(1/x) = ln(1/x + sqrt(1/x^2 + 1))`.
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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.acsch(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 arccosecant 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.acsch(0.5) // returns 1.4436354751788103
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```
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## See also
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[asech](asech.md),
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[acoth](acoth.md)
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