def solve_nonlinear(self, params, unknowns, resids):

        x = params['x']
        y = params['y']

        unknowns['f_xy'] = (x-3.0)**2 + x*y + (y+4.0)**2 - 3.0
Compute Hopfield energy between input data, output data and
dataset/ETHPy150Open OpenMDAO/OpenMDAO/examples/paraboloid_optimize_constrained.py/Paraboloid.solve_nonlinear--crossover with--dataset/ETHPy150Open itdxer/neupy/neupy/algorithms/memory/utils.py/hopfield_energy