xper,xns,xew,xco
0.100000001 , 0.882766008 , 0.849220932 , 892.650024
0.200000003 , 0.103968054 , 0.107455067 , 1031.25000
0.300000012 , 5.72289638E-02 , 5.98761402E-02 , 1031.25000
0.500000000 , 3.31661738E-02 , 3.02014351E-02 , 1031.25000
1.00000000 , 2.99335383E-02 , 2.32530888E-02 , 562.650024
2.00000000 , 3.09743863E-02 , 2.41461080E-02 , 281.325012
3.00000000 , 2.82575656E-02 , 2.07770672E-02 , 187.688004