class_docstr: LinearOperator that implements the methods ._shape and _shape_tensor.
class_docstr_tok: ["LinearOperator","that","implements","the","methods","._shape","and","_shape_tensor","."]
code: def _matmul(self):
      raise NotImplementedError("Not needed for this test.")
  
imports: import numpy
  from tensorflow.python.eager import context
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import linalg_ops
  from tensorflow.python.ops import math_ops
  from tensorflow.python.ops.linalg import linalg
  from tensorflow.python.ops.parallel_for import control_flow_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 4 for calling the LinearOperatorShape obj's underlying member method code with example usage: obj._matmul() without return types