class_docstr: A collection of functions to be tested
class_docstr_tok: ["A","collection","of","functions","to","be","tested"]
code: def func_dot_reduction_mix(be, x0, x1, x2, x3, x4):
      f1 = be.max(x0, axis=1, keepdims=True)
      f2 = be.min(x1, axis=0, keepdims=True)
      f3 = be.dot(1.0 / x3, x2 + x4)
      f4 = be.min(x3, axis=0, keepdims=True)
      return f1 + f2 + f3 + f4
  
file_path: neon/tests/test_backend_autodiff.py
imports: from builtins import zip
  import itertools
  import numpy
  from neon import NervanaObject
  from neon.backends.autodiff import Autodiff
  from utils import call_func, gen_backend_tensors, tensors_allclose
  import pytest
label_desc: Use image node_id 4 for calling the Funcs obj's underlying member method code with example usage: obj.func_dot_reduction_mix(be, x0, x1, x2, x3, x4) and returns: unknown