xper,xns,xew,xco
0.100000001 , 2.66843176 , 2.50721765 , 892.650024
0.200000003 , 5.02791834 , 3.02512813 , 1031.25000
0.300000012 , 5.29344654 , 3.68076634 , 1031.25000
0.500000000 , 3.93638778 , 2.75013924 , 1031.25000
1.00000000 , 0.859675825 , 1.04098761 , 562.650024
2.00000000 , 0.250252426 , 0.284403265 , 281.325012
3.00000000 , 8.73709843E-02 , 8.83811191E-02 , 187.688004