xper,xns,xew,xco
0.100000001 , 2.66842222 , 2.50726938 , 892.650024
0.200000003 , 5.02792406 , 3.02512789 , 1031.25000
0.300000012 , 5.29345512 , 3.68074131 , 1031.25000
0.500000000 , 3.93635678 , 2.75017214 , 1031.25000
1.00000000 , 0.859690666 , 1.04097986 , 562.650024
2.00000000 , 0.250221640 , 0.284380376 , 281.325012
3.00000000 , 8.75216126E-02 , 8.83804411E-02 , 187.688004