xper,xns,xew,xco
0.100000001 , 0.763527155 , 0.364544094 , 892.650024
0.200000003 , 0.347993523 , 0.115559883 , 1031.25000
0.300000012 , 6.70189187E-02 , 4.39184979E-02 , 1031.25000
0.500000000 , 1.31439036E-02 , 1.27816731E-02 , 1031.25000
1.00000000 , 1.25549259E-02 , 1.02565680E-02 , 562.650024
2.00000000 , 1.06772687E-02 , 7.46527221E-03 , 281.325012
3.00000000 , 5.07602794E-03 , 7.24726124E-03 , 187.688004