xper,xns,xew,xco
0.100000001 , 2.66844010 , 2.50724888 , 892.650024
0.200000003 , 5.02793932 , 3.02513003 , 1031.25000
0.300000012 , 5.29346895 , 3.68074822 , 1031.25000
0.500000000 , 3.93634844 , 2.75016212 , 1031.25000
1.00000000 , 0.859671295 , 1.04098082 , 562.650024
2.00000000 , 0.250216246 , 0.284386247 , 281.325012
3.00000000 , 8.75017270E-02 , 8.83788392E-02 , 187.688004