.. _cn_api_fluid_layers_tanh_shrink: tanh_shrink ------------------------------- .. py:function:: paddle.fluid.layers.tanh_shrink(x, name=None) tanh_shrink激活函数 .. math:: out = x - \frac{e^{x} - e^{-x}}{e^{x} + e^{-x}} 参数: - **x** - TanhShrink算子的输入 - **name** (str|None) - 该层名称(可选)。若设为None,则自动为该层命名。 返回: 张量(Tensor) 返回类型: 变量(Variable) **代码示例**: .. code-block:: python import paddle.fluid as fluid data = fluid.layers.data(name="input", shape=[32, 784]) result = fluid.layers.tanh_shrink(data)