xper,xns,xew,xco
0.100000001 , 2.29789168E-02 , 3.89937051E-02 , 892.650024
0.200000003 , 1.23946983E-02 , 1.38174500E-02 , 1031.25000
0.300000012 , 1.09913340E-02 , 1.09977778E-02 , 1031.25000
0.500000000 , 5.42166829E-03 , 6.58537634E-03 , 1031.25000
1.00000000 , 1.05036166E-03 , 1.36667816E-03 , 562.650024
2.00000000 , 1.00801967E-03 , 1.29001110E-03 , 281.325012
3.00000000 , 6.15939323E-04 , 1.20326178E-03 , 187.688004