BUGFIX: LinearOperatorAdjoint.matvec was passing an `adjoint_arg` kwarg, but

this doesn't make sense for matvec (and isn't in the base class matvec defn).
PiperOrigin-RevId: 258417922

tensorflow/python/kernel_tests/linalg/linear_operator_adjoint_test.py

@@ -161,6 +161,13 @@ class LinearOperatorAdjointTest(
             full_matrix1.matmul(
                 full_matrix2, adjoint=True, adjoint_arg=True).to_dense()))
 
+  def test_matvec(self):
+    matrix = np.array([[1., 2.], [3., 4.]])
+    x = np.array([1., 2.])
+    operator = linalg.LinearOperatorFullMatrix(matrix)
+    self.assertAllClose(matrix.dot(x), self.evaluate(operator.matvec(x)))
+    self.assertAllClose(matrix.T.dot(x), self.evaluate(operator.H.matvec(x)))
+
   def test_solve_adjoint_operator(self):
     matrix1 = self.evaluate(
         linear_operator_test_util.random_tril_matrix(
@@ -223,6 +230,15 @@ class LinearOperatorAdjointTest(
             full_matrix1.solve(
                 full_matrix2, adjoint=True, adjoint_arg=True).to_dense()))
 
+  def test_solvevec(self):
+    matrix = np.array([[1., 2.], [3., 4.]])
+    inv_matrix = np.linalg.inv(matrix)
+    x = np.array([1., 2.])
+    operator = linalg.LinearOperatorFullMatrix(matrix)
+    self.assertAllClose(inv_matrix.dot(x), self.evaluate(operator.solvevec(x)))
+    self.assertAllClose(
+        inv_matrix.T.dot(x), self.evaluate(operator.H.solvevec(x)))
+
 
 class LinearOperatorAdjointNonSquareTest(
     linear_operator_test_util.NonSquareLinearOperatorDerivedClassTest):

tensorflow/python/ops/linalg/linear_operator_adjoint.py

@@ -181,9 +181,8 @@ class LinearOperatorAdjoint(linear_operator.LinearOperator):
     return self.operator.matmul(
         x, adjoint=(not adjoint), adjoint_arg=adjoint_arg)
 
-  def _matvec(self, x, adjoint=False, adjoint_arg=False):
-    return self.operator.matvec(
-        x, adjoint=(not adjoint), adjoint_arg=adjoint_arg)
+  def _matvec(self, x, adjoint=False):
+    return self.operator.matvec(x, adjoint=(not adjoint))
 
   def _determinant(self):
     if self.is_self_adjoint:
@@ -202,9 +201,8 @@ class LinearOperatorAdjoint(linear_operator.LinearOperator):
     return self.operator.solve(
         rhs, adjoint=(not adjoint), adjoint_arg=adjoint_arg)
 
-  def _solvevec(self, rhs, adjoint=False, adjoint_arg=False):
-    return self.operator.solvevec(
-        rhs, adjoint=(not adjoint), adjoint_arg=adjoint_arg)
+  def _solvevec(self, rhs, adjoint=False):
+    return self.operator.solvevec(rhs, adjoint=(not adjoint))
 
   def _to_dense(self):
     if self.is_self_adjoint: