xper,xns,xew,xco
0.100000001 , 20.9105816 , 14.6568508 , 892.650024
0.200000003 , 30.2194405 , 22.5174942 , 1031.25000
0.300000012 , 38.4805717 , 20.1823044 , 1031.25000
0.500000000 , 10.9476948 , 3.70832157 , 1031.25000
1.00000000 , 1.73032153 , 0.485071570 , 562.650024
2.00000000 , 0.366526097 , 0.105483748 , 281.325012
3.00000000 , 0.149373189 , 4.56710309E-02 , 187.688004