code: def mish(x):
      """Mish activation function.
  
      Reference: [Mish: A Self Regularized Non-Monotonic Neural Activation Function .Diganta Misra, 2019]<https://arxiv.org/abs/1908.08681>
  
      Parameters
      ----------
      x : Tensor
          input.
  
      Returns
      -------
      Tensor
          A ``Tensor`` in the same type as ``x``.
  
      """
      return x * tf.math.tanh(tf.math.softplus(x))
  
file_path: TensorLayer/tensorlayer/activation.py
imports: import tensorflow
  from tensorlayer.decorators import deprecated
label_desc: Use image node_id 9 for calling a global function with example usage: mish(x) and returns: unknown