class_docstr: Concatenated Rectified Linear Unit.
class_docstr_tok: ["Concatenated","Rectified","Linear","Unit","."]
code: def backward(self, indexes, grad_outputs):
      (x,) = self.get_retained_inputs()
      (gy,) = grad_outputs
      gy_former, gy_latter = chainer.functions.split_axis(
          gy, 2, axis=self.axis
      )
      return (gy_former * (x.data > 0) - gy_latter * (x.data < 0),)
  
file_path: chainer/chainer/functions/activation/crelu.py
imports: import six
  import chainer
  from chainer import backend
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 5 for calling the CReLU obj's underlying member method code with example usage: obj.backward(indexes, grad_outputs) and returns: unknown