softsign¶

paddle.nn.functional. softsign ( x, name=None ) [source]

softsign activation

\[\begin{split}softsign(x) = \\frac{x}{1 + |x|}\end{split}\]

Parameters

• x (Tensor) – The input Tensor with data type float32, float64.

• name (str, optional) – Name for the operation (optional, default is None). For more information, please refer to Name.

Returns

A Tensor with the same data type and shape as x .

Examples

import paddle
import paddle.nn.functional as F
import numpy as np

x = paddle.to_tensor(np.array([-0.4, -0.2, 0.1, 0.3]))
out = F.softsign(x) # [-0.285714, -0.166667, 0.0909091, 0.230769]