xper,xns,xew,xco
0.100000001 , 3.01882744 , 2.98650718 , 892.650024
0.200000003 , 3.70897341 , 3.89789271 , 1031.25000
0.300000012 , 4.81308413 , 4.28392315 , 1031.25000
0.500000000 , 4.81418037 , 8.33740711 , 1031.25000
1.00000000 , 4.64669943 , 4.87589025 , 562.650024
2.00000000 , 2.77803731 , 3.72681189 , 281.325012
3.00000000 , 1.71690309 , 2.20270467 , 187.688004