class_docstr: Simple test for matvec, which is sugar on top of matmul.
class_docstr_tok: ["Simple","test","for","matvec",",","which","is","sugar","on","top","of","matmul","."]
code: def testEmpty(self):
      full = np.array([[1.0, 2.0], [3.0, 4.0], [5.0, 6.0]])
      empty = np.empty([3, 0])
      self.assertShapeEqual(
          np.matmul(full.T, empty),
          math_ops.matmul(full, empty, adjoint_a=True),
      )
      self.assertShapeEqual(
          np.matmul(empty.T, full),
          math_ops.matmul(empty, full, adjoint_a=True),
      )
  
imports: import operator
  import numpy
  from tensorflow.python import tf2
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  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 gradient_checker_v2
  from tensorflow.python.ops import math_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 2 for calling the MatVecTest obj's underlying member method code with example usage: obj.testEmpty() without return types