class_docstr: Cross-channel normalization function used in AlexNet.
code: def __init__(self, n=5, k=2, alpha=1e-4, beta=0.75):
      self.n = n
      self.k = k
      self.alpha = alpha
      self.beta = beta
  
      self.scale = None
      self.indexes = None
      self.unit_scale = None
  
imports: import numpy
  import six
  from chainer.backends import cuda
  from chainer.backends import intel64
  from chainer import function_node
  from chainer.utils import type_check
label_desc: Use image node_id 1 to create a new LocalResponseNormalization object from inherited base classes: function_node with example: obj = LocalResponseNormalization(n, k, alpha, beta)