xper,xns,xew,xco
0.100000001 , 20.9105663 , 14.6568508 , 892.650024
0.200000003 , 30.2194233 , 22.5174961 , 1031.25000
0.300000012 , 38.4805946 , 20.1823025 , 1031.25000
0.500000000 , 10.9477148 , 3.70832777 , 1031.25000
1.00000000 , 1.73030400 , 0.485074669 , 562.650024
2.00000000 , 0.366506845 , 0.105495796 , 281.325012
3.00000000 , 0.149363339 , 4.56770509E-02 , 187.688004