def calc_newton_direction(self):

        self._system.calc_newton_direction(options=self.parent.gradient_options,
                                           iterbase=self._iterbase())
Solves for the new state in Newton's method and leaves it in the
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/workflow.py/Workflow.calc_newton_direction