xper,xns,xew,xco
0.100000001 , 0.551170886 , 1.96840012 , 892.650024
0.200000003 , 0.300964445 , 0.159810528 , 1031.25000
0.300000012 , 5.39523400E-02 , 5.20836897E-02 , 1031.25000
0.500000000 , 1.69403329E-02 , 1.91626903E-02 , 1031.25000
1.00000000 , 2.97071226E-03 , 4.51214937E-03 , 562.650024
2.00000000 , 8.33857805E-04 , 1.62016903E-03 , 281.325012
3.00000000 , 7.37432856E-04 , 1.16828212E-03 , 187.688004