xper,xns,xew,xco
0.100000001 , 7.35354805 , 5.84649324 , 892.650024
0.200000003 , 11.1030102 , 11.2896452 , 1031.25000
0.300000012 , 17.5082550 , 20.3319302 , 1031.25000
0.500000000 , 14.2134933 , 12.4376154 , 1031.25000
1.00000000 , 4.58557415 , 2.76062584 , 562.650024
2.00000000 , 0.568858147 , 0.539093554 , 281.325012
3.00000000 , 0.239316821 , 0.190538570 , 187.688004