(self, i, j)
return self._comm[i].get(j, 0 if i == 0 or j == 0 else None)
Return the commutation parameter for commutation group numbers ``i, j``

        see ``_TensorManager.set_comm``
Return the commutation parameter for commutation group numbers ``i, j``
Return the commutation parameter for commutation group numbers i j
def get_comm(self, i, j):
        """
        Return the commutation parameter for commutation group numbers ``i, j``

        see ``_TensorManager.set_comm``
        """
        return self._comm[i].get(j, 0 if i == 0 or j == 0 else None)
def get_comm ( self , i , j ) : return self . _comm [ i ] . get ( j , 0 if i == 0 or j == 0 else None )