Sigmoid activation function.
Computes the element-wise function:
\[\mathrm{sigmoid}(x) = \frac{1}{1 + e^{-x}}\]
- Parameters:
x (Union
[Array
, ndarray
, bool_
, number
, bool
, int
, float
, complex
]) – input array
- Return type:
Array
- Returns:
An array.