xper,xns,xew,xco
0.100000001 , 0.316631496 , 0.507971883 , 892.650024
0.200000003 , 0.400755763 , 0.492899239 , 1031.25000
0.300000012 , 0.453322321 , 0.731520295 , 1031.25000
0.500000000 , 0.989819348 , 1.06272972 , 1031.25000
1.00000000 , 0.414228737 , 0.589531362 , 562.650024
2.00000000 , 0.157948703 , 0.143783852 , 281.325012
3.00000000 , 7.49230161E-02 , 7.34042451E-02 , 187.688004