xper,xns,xew,xco
0.100000001 , 7.35355377 , 5.84647799 , 892.650024
0.200000003 , 11.1030169 , 11.2896538 , 1031.25000
0.300000012 , 17.5082531 , 20.3319302 , 1031.25000
0.500000000 , 14.2134886 , 12.4376240 , 1031.25000
1.00000000 , 4.58556890 , 2.76061296 , 562.650024
2.00000000 , 0.568864286 , 0.539098918 , 281.325012
3.00000000 , 0.239321902 , 0.190552503 , 187.688004