xper,xns,xew,xco
0.100000001 , 1.60207975 , 2.66258168 , 892.650024
0.200000003 , 1.27627933 , 1.11542249 , 1031.25000
0.300000012 , 1.42030871 , 0.984378099 , 1031.25000
0.500000000 , 0.671810269 , 0.520724833 , 1031.25000
1.00000000 , 0.360052019 , 0.275753319 , 562.650024
2.00000000 , 0.193527520 , 8.88314098E-02 , 281.325012
3.00000000 , 8.81805047E-02 , 5.83039485E-02 , 187.688004