xper,xns,xew,xco
0.100000001 , 2.52114797 , 2.74486971 , 892.650024
0.200000003 , 3.64848280 , 4.60336447 , 1031.25000
0.300000012 , 4.37368631 , 3.86151552 , 1031.25000
0.500000000 , 2.82691884 , 4.22896957 , 1031.25000
1.00000000 , 0.724748731 , 1.10319793 , 562.650024
2.00000000 , 0.202774167 , 0.188284189 , 281.325012
3.00000000 , 8.47892538E-02 , 8.53120610E-02 , 187.688004