xper,xns,xew,xco
0.100000001 , 0.972355604 , 1.33926868 , 892.650024
0.200000003 , 1.40542233 , 1.31091034 , 1031.25000
0.300000012 , 1.45755494 , 2.28210020 , 1031.25000
0.500000000 , 0.545852900 , 0.889867306 , 1031.25000
1.00000000 , 0.180166289 , 0.187985212 , 562.650024
2.00000000 , 3.05418763E-02 , 2.90474240E-02 , 281.325012
3.00000000 , 1.05293151E-02 , 1.17739951E-02 , 187.688004