code: def _elementwise_softmax_cross_entropy(x, t):
      assert x.shape[:-1] == t.shape
      shape = t.shape
      x = F.reshape(x, (-1, x.shape[-1]))
      t = F.flatten(t)
      return F.reshape(
          F.softmax_cross_entropy(x, t, reduce="no"), shape
      )
  
imports: from __future__ import division
  import numpy
  import chainer
  import chainer.functions
label_desc: Use image node_id 1 for calling a global function with example usage: _elementwise_softmax_cross_entropy(x, t) and returns: F