xper,xns,xew,xco
0.100000001 , 2.66852975 , 2.50718474 , 892.650024
0.200000003 , 5.02808332 , 3.02509904 , 1031.25000
0.300000012 , 5.29362106 , 3.68082523 , 1031.25000
0.500000000 , 3.93613219 , 2.75006843 , 1031.25000
1.00000000 , 0.859599948 , 1.04102755 , 562.650024
2.00000000 , 0.250000328 , 0.284460604 , 281.325012
3.00000000 , 8.80992636E-02 , 8.84105861E-02 , 187.688004