xper,xns,xew,xco
0.100000001 , 0.395055175 , 0.275659174 , 892.650024
0.200000003 , 0.600699723 , 0.344252229 , 1031.25000
0.300000012 , 1.21830964 , 0.368829161 , 1031.25000
0.500000000 , 0.540074587 , 0.224740237 , 1031.25000
1.00000000 , 0.106561802 , 5.05339131E-02 , 562.650024
2.00000000 , 2.03233473E-02 , 1.29821673E-02 , 281.325012
3.00000000 , 6.89998502E-03 , 7.56411068E-03 , 187.688004