xper,xns,xew,xco
0.100000001 , 2.29792949E-02 , 3.90031561E-02 , 892.650024
0.200000003 , 1.23962350E-02 , 1.37675302E-02 , 1031.25000
0.300000012 , 1.09902080E-02 , 1.10476455E-02 , 1031.25000
0.500000000 , 5.27182268E-03 , 6.52925903E-03 , 1031.25000
1.00000000 , 1.05047657E-03 , 1.37737568E-03 , 562.650024
2.00000000 , 1.00874307E-03 , 1.28629454E-03 , 281.325012
3.00000000 , 6.16017787E-04 , 1.18967181E-03 , 187.688004