xper,xns,xew,xco
0.100000001 , 0.325426161 , 0.454739958 , 892.650024
0.200000003 , 0.548637688 , 0.483404875 , 1031.25000
0.300000012 , 0.816296518 , 0.993035734 , 1031.25000
0.500000000 , 1.09457624 , 1.01863027 , 1031.25000
1.00000000 , 0.480091244 , 0.391075462 , 562.650024
2.00000000 , 0.130019605 , 0.115532614 , 281.325012
3.00000000 , 4.53765392E-02 , 6.01644069E-02 , 187.688004