xper,xns,xew,xco
0.100000001 , 0.601805568 , 0.537034273 , 892.650024
0.200000003 , 0.952404559 , 0.831749558 , 1031.25000
0.300000012 , 1.24530852 , 0.985026836 , 1031.25000
0.500000000 , 1.28387463 , 1.30164480 , 1031.25000
1.00000000 , 0.502181053 , 0.632043660 , 562.650024
2.00000000 , 0.122124247 , 0.109886214 , 281.325012
3.00000000 , 3.32850814E-02 , 3.55613045E-02 , 187.688004