xper,xns,xew,xco
0.100000001 , 0.316625118 , 0.507672787 , 892.650024
0.200000003 , 0.400750011 , 0.492580980 , 1031.25000
0.300000012 , 0.453316182 , 0.731195450 , 1031.25000
0.500000000 , 0.989825726 , 1.06226778 , 1031.25000
1.00000000 , 0.414238811 , 0.589312553 , 562.650024
2.00000000 , 0.157946452 , 0.143649131 , 281.325012
3.00000000 , 7.49301910E-02 , 7.31447488E-02 , 187.688004