xper,xns,xew,xco
0.100000001 , 2.66843581 , 2.50728393 , 892.650024
0.200000003 , 5.02793407 , 3.02512360 , 1031.25000
0.300000012 , 5.29346418 , 3.68074226 , 1031.25000
0.500000000 , 3.93635654 , 2.75017333 , 1031.25000
1.00000000 , 0.859674811 , 1.04098344 , 562.650024
2.00000000 , 0.250218928 , 0.284382850 , 281.325012
3.00000000 , 8.74842182E-02 , 8.83817002E-02 , 187.688004