xper,xns,xew,xco
0.100000001 , 5.50620928E-02 , 4.68429551E-02 , 892.650024
0.200000003 , 4.06031087E-02 , 4.68263589E-02 , 1031.25000
0.300000012 , 3.42255123E-02 , 3.77053432E-02 , 1031.25000
0.500000000 , 3.08450069E-02 , 3.24660465E-02 , 1031.25000
1.00000000 , 2.21810583E-02 , 2.51064748E-02 , 562.650024
2.00000000 , 2.00338662E-02 , 1.90394092E-02 , 281.325012
3.00000000 , 1.91561189E-02 , 1.95130389E-02 , 187.688004