xper,xns,xew,xco
0.100000001 , 20.9117928 , 14.6552782 , 892.650024
0.200000003 , 30.2196083 , 22.5154114 , 1031.25000
0.300000012 , 38.4794922 , 10.6651011 , 1031.25000
0.500000000 , 10.9093714 , 3.39253736 , 1031.25000
1.00000000 , 1.73117971 , 0.476905406 , 562.650024
2.00000000 , 0.367297202 , 0.103154249 , 281.325012
3.00000000 , 0.150228783 , 4.39618304E-02 , 187.688004