class_docstr: Exponential Linear Unit gradient function.
class_docstr_tok: ["Exponential","Linear","Unit","gradient","function","."]
code: def __init__(self, alpha, cond):
      self.alpha = alpha
      self.cond = cond
  
file_path: chainer/chainer/functions/activation/elu.py
imports: import numpy
  from chainer.backends import cuda
  from chainer import function_node
  from chainer import utils
  from chainer.utils import type_check
label_desc: Use image node_id 1 to create a new ELUGrad object from inherited base classes: function_node with example: obj = ELUGrad(alpha, cond)