Method matmul

tensorflow/python/eager/function_test.py:1958–1959

(x, y)

    @function.defun_with_attributes(attributes={'experimental_1': 'value1',
                                                'experimental_2': 2})
    def matmul(x, y):
      return math_ops.matmul(x, y)

    def add(x, y):
      return math_ops.add(x, y)