xper,xns,xew,xco
0.100000001 , 0.750789583 , 0.768613040 , 892.650024
0.200000003 , 0.144898519 , 0.155954137 , 1031.25000
0.300000012 , 9.50180367E-02 , 7.61388615E-02 , 1031.25000
0.500000000 , 4.31461111E-02 , 4.17243838E-02 , 1031.25000
1.00000000 , 3.00683398E-02 , 3.14894244E-02 , 562.650024
2.00000000 , 1.76423527E-02 , 1.97095983E-02 , 281.325012
3.00000000 , 1.90824866E-02 , 1.94104668E-02 , 187.688004