def execute(self):
        
        x = self.x
        y = self.y
        
        self.f_xy = (x-3.0)**2 + x*y + (y+4.0)**2 - 3.0
Compute a few clustering scores.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/examples/openmdao.examples.simple/openmdao/examples/simple/paraboloid_derivative.py/ParaboloidDerivative.execute--crossover with--dataset/ETHPy150Open slinderman/pyhawkes/experiments/chalearn_small_comparison.py/compute_clustering_score