xper,xns,xew,xco
0.100000001 , 2.66839981 , 2.50726342 , 892.650024
0.200000003 , 5.02791500 , 3.02512836 , 1031.25000
0.300000012 , 5.29344654 , 3.68074512 , 1031.25000
0.500000000 , 3.93635106 , 2.75016904 , 1031.25000
1.00000000 , 0.859717071 , 1.04098022 , 562.650024
2.00000000 , 0.250214994 , 0.284382910 , 281.325012
3.00000000 , 8.76107290E-02 , 8.83779973E-02 , 187.688004