xper,xns,xew,xco
0.100000001 , 0.571359932 , 0.961070955 , 892.650024
0.200000003 , 0.847971022 , 1.46146083 , 1031.25000
0.300000012 , 1.35056365 , 1.95297825 , 1031.25000
0.500000000 , 2.48411894 , 3.98089385 , 1031.25000
1.00000000 , 0.387495220 , 0.730684757 , 562.650024
2.00000000 , 0.153121561 , 0.111513853 , 281.325012
3.00000000 , 4.04348224E-02 , 5.72447181E-02 , 187.688004