xper,xns,xew,xco
0.100000001 , 2.52133155 , 2.74463105 , 892.650024
0.200000003 , 3.64836264 , 4.60317945 , 1031.25000
0.300000012 , 4.37385845 , 3.86185431 , 1031.25000
0.500000000 , 2.82711267 , 4.22881889 , 1031.25000
1.00000000 , 0.724537849 , 1.10346580 , 562.650024
2.00000000 , 0.203009605 , 0.188073650 , 281.325012
3.00000000 , 8.50453451E-02 , 8.56253207E-02 , 187.688004