xper,xns,xew,xco
0.100000001 , 1.81313848 , 1.81913137 , 892.650024
0.200000003 , 1.96823788 , 2.03687620 , 1031.25000
0.300000012 , 1.50786686 , 1.73820913 , 1031.25000
0.500000000 , 0.556281805 , 0.496290267 , 1031.25000
1.00000000 , 0.166102216 , 0.190839738 , 562.650024
2.00000000 , 5.18898219E-02 , 2.47463547E-02 , 281.325012
3.00000000 , 1.49976630E-02 , 8.07116367E-03 , 187.688004