code: def log_softmax(x, axis=-1):
      """Log-Softmax activation function.
  
      Each input vector is handled independently.
      The `axis` argument sets which axis of the input the function
      is applied along.
  
      Args:
          x: Input tensor.
          axis: Integer, axis along which the softmax is applied.
      """
      return ops.log_softmax(x, axis=axis)
  
imports: from keras import backend
  from keras import ops
  from keras.api_export import keras_export
label_desc: Use image node_id 18 for calling a global function with example usage: log_softmax(x, axis) and returns: ops