# sigmoid¶

Sigmoid Activation Operator

$$out = \frac{1}{1 + e^{-x}}$$

Parameters
• x – Input of Sigmoid operator, an N-D Tensor, with data type float32, float64 or float16.

• name (str, optional) – The default value is None. Normally there is no need for user to set this property. For more information, please refer to Name .

Returns

Output of Sigmoid operator, a Tensor with shape same as input.

Return type

Variable

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Examples