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mindspore.ops.Sigmoid
=====================
.. py:class:: mindspore.ops.Sigmoid
Sigmoid激活函数，逐元素计算Sigmoid激活函数。Sigmoid函数定义为：
.. math::
\text{sigmoid}(x_i) = \frac{1}{1 + \exp(-x_i)}
其中， :math:`x_i` 是输入Tensor的一个元素。
更多参考详见 :func:`mindspore.ops.sigmoid`。