paddle.fluid / layers / softshrink

softshrink¶

paddle.nn.functional. softshrink ( x, alpha=None ) [源代码] ¶

Softshrink激活函数

\[\begin{split}out = \begin{cases} x - \alpha, \text{if } x > \alpha \\ x + \alpha, \text{if } x < -\alpha \\ 0, \text{otherwise} \end{cases}\end{split}\]

参数：

x (Variable0 - 张量（Tensor）
alpha (float) - 上面公式中alpha的值

返回: 张量(Tensor)

返回类型: 变量(Variable)

代码示例：

import paddle.fluid as fluid
data = fluid.layers.data(name="input", shape=[32, 784])
result = fluid.layers.softshrink(data)

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paddle.fluid / layers / softshrink

softshrink¶