xper,xns,xew,xco
0.100000001 , 2.52123427 , 2.74477124 , 892.650024
0.200000003 , 3.64842701 , 4.60328865 , 1031.25000
0.300000012 , 4.37376738 , 3.86165500 , 1031.25000
0.500000000 , 2.82700896 , 4.22890711 , 1031.25000
1.00000000 , 0.724651217 , 1.10330713 , 562.650024
2.00000000 , 0.202881917 , 0.188200682 , 281.325012
3.00000000 , 8.49093944E-02 , 8.54396373E-02 , 187.688004