mindspore2022/docs/api/api_python/ops/mindspore.ops.Tanh.rst

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mindspore.ops.Tanh
===================
.. py:class:: mindspore.ops.Tanh
Tanh激活函数。
按元素计算输入元素的双曲正切。Tanh函数定义为
.. math::
tanh(x_i) = \frac{\exp(x_i) - \exp(-x_i)}{\exp(x_i) + \exp(-x_i)} = \frac{\exp(2x_i) - 1}{\exp(2x_i) + 1},
其中 :math:`x_i` 是输入Tensor的元素。
**输入:**
- **input_x** (Tensor) - Tanh的输入任意维度的Tensor其数据类型为float16或float32。
**输出:**
Tensor数据类型和shape与 `input_x` 相同。
**异常:**
- **TypeError** - `input_x` 的数据类型既不是float16也不是float32。
- **TypeError** - `input_x` 不是Tensor。