xper,xns,xew,xco
0.100000001 , 1.67881346 , 1.02800870 , 892.650024
0.200000003 , 0.598274589 , 0.698539495 , 1031.25000
0.300000012 , 0.516267657 , 0.733709395 , 1031.25000
0.500000000 , 0.465426266 , 0.498008311 , 1031.25000
1.00000000 , 0.394492239 , 0.433495045 , 562.650024
2.00000000 , 0.196541876 , 0.165653601 , 281.325012
3.00000000 , 6.05323613E-02 , 7.90647045E-02 , 187.688004