Function _ConcatGrad

tensorflow/python/ops/array_grad.py:216–222

(op, grad)

@ops.RegisterGradient("Concat")
def _ConcatGrad(op, grad):
  return _ConcatGradHelper(
      op,
      grad,
      start_value_index=1,
      end_value_index=len(op.inputs),
      dim_index=0)


@ops.RegisterGradient("ConcatV2")