xper,xns,xew,xco
0.100000001 , 2.66843271 , 2.50723910 , 892.650024
0.200000003 , 5.02793264 , 3.02513051 , 1031.25000
0.300000012 , 5.29346228 , 3.68075275 , 1031.25000
0.500000000 , 3.93635631 , 2.75015664 , 1031.25000
1.00000000 , 0.859679043 , 1.04098225 , 562.650024
2.00000000 , 0.250220329 , 0.284390897 , 281.325012
3.00000000 , 8.74965116E-02 , 8.83760974E-02 , 187.688004