code: def testLargeMatrix(self):
      # Generate random matrices.
      n = 500
      np.random.seed(64)
      data = np.random.rand(n, n)
      self._verifyLu(data)
  
      # Generate random complex valued matrices.
      np.random.seed(129)
      data = np.random.rand(n, n) + 1j * np.random.rand(n, n)
      self._verifyLu(data)
  
imports: import numpy
  from tensorflow.python.client import session
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import control_flow_ops
  from tensorflow.python.ops import linalg_ops
  from tensorflow.python.ops import map_fn
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops import stateless_random_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import benchmark
  from tensorflow.python.platform import test
label_desc: Use image node_id 8 for calling the LuOpTest obj's underlying member method code with example usage: obj.testLargeMatrix() without return types