xper,xns,xew,xco
0.100000001 , 0.792089880 , 0.822022021 , 892.650024
0.200000003 , 1.25661552 , 1.50000262 , 1031.25000
0.300000012 , 1.78123176 , 1.80652535 , 1031.25000
0.500000000 , 2.02150774 , 3.84976292 , 1031.25000
1.00000000 , 1.12288105 , 0.898442328 , 562.650024
2.00000000 , 0.495714545 , 0.654672146 , 281.325012
3.00000000 , 0.166427612 , 0.317258328 , 187.688004