xper,xns,xew,xco
0.100000001 , 2.66840363 , 2.50727201 , 892.650024
0.200000003 , 5.02791214 , 3.02512765 , 1031.25000
0.300000012 , 5.29344368 , 3.68074226 , 1031.25000
0.500000000 , 3.93636036 , 2.75017405 , 1031.25000
1.00000000 , 0.859710455 , 1.04098046 , 562.650024
2.00000000 , 0.250226915 , 0.284379512 , 281.325012
3.00000000 , 8.75568837E-02 , 8.83799866E-02 , 187.688004