def execute(self):
        """f(x,y) = (x-3)^2 + xy + (y+4)^2 - 3
        Optimal solution (minimum): x = 6.6667; y = -7.3333
        """

        x = self.x
        y = self.y

        self.f_xy = (x-3.0)**2 + (y+4.0)**2
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/contrib/testmpi/test_mpi_opt.py/Parab1.execute/original