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Co-authored-by: Andrey Zaytsev <andrey.zaytsev@intel.com>
2021-10-24 17:43:00 +03:00

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# Atanh {#openvino_docs_ops_arithmetic_Atanh_3}
**Versioned name**: *Atanh-3*
**Category**: Arithmetic unary operation
**Short description**: *Atanh* performs element-wise hyperbolic inverse tangent (arctangenth) operation with given tensor.
**Attributes**:
No attributes available.
**Inputs**
* **1**: A tensor of type T. **Required.**
**Outputs**
* **1**: The result of element-wise atanh operation. A tensor of type T.
**Types**
* *T*: any floating point type.
*Atanh* does the following with the input tensor *a*:
\f[
a_{i} = atanh(a_{i})
\f]
**Examples**
*Example 1*
```xml
<layer ... type="Atanh">
<input>
<port id="0">
<dim>256</dim>
<dim>56</dim>
</port>
</input>
<output>
<port id="1">
<dim>256</dim>
<dim>56</dim>
</port>
</output>
</layer>
```