38 lines
620 B
Markdown
38 lines
620 B
Markdown
---
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title: math.tanh() function
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description: The math.tanh() function returns the hyperbolic tangent of `x`.
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aliases:
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- /v2.0/reference/flux/functions/math/tanh/
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menu:
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v2_0_ref:
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name: math.tanh
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parent: Math
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weight: 301
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---
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The `math.tanh()` function returns the hyperbolic tangent of `x`.
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_**Output data type:** Float_
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```js
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import "math"
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math.tanh(x: 1.23)
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// Returns 0.8425793256589296
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```
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## Parameters
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### x
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The value used in the operation.
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_**Data type:** Float_
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## Special cases
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```js
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math.tanh(x: ±0) // Returns ±0
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math.tanh(x: ±Inf) // Returns ±1
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math.tanh(x: NaN) // Returns NaN
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```
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