xper,xns,xew,xco
0.100000001 , 7.35355663 , 5.84650326 , 892.650024
0.200000003 , 11.1030197 , 11.2896309 , 1031.25000
0.300000012 , 17.5082512 , 20.3319416 , 1031.25000
0.500000000 , 14.2134809 , 12.4376030 , 1031.25000
1.00000000 , 4.58556652 , 2.76063943 , 562.650024
2.00000000 , 0.568867028 , 0.539080799 , 281.325012
3.00000000 , 0.239325225 , 0.190520391 , 187.688004