xper,xns,xew,xco
0.100000001 , 0.601790845 , 0.536984801 , 892.650024
0.200000003 , 0.952390671 , 0.831680238 , 1031.25000
0.300000012 , 1.24529338 , 0.984948933 , 1031.25000
0.500000000 , 1.28384089 , 1.30169952 , 1031.25000
1.00000000 , 0.502156436 , 0.632086396 , 562.650024
2.00000000 , 0.122180417 , 0.109754845 , 281.325012
3.00000000 , 3.32357325E-02 , 3.54504846E-02 , 187.688004