xper,xns,xew,xco
0.100000001 , 2.74348688 , 2.32969737 , 892.650024
0.200000003 , 4.92674923 , 3.07891393 , 1031.25000
0.300000012 , 5.18740797 , 3.62265825 , 1031.25000
0.500000000 , 3.90129161 , 2.77844810 , 1031.25000
1.00000000 , 0.857443690 , 1.04138565 , 562.650024
2.00000000 , 0.249408722 , 0.284473270 , 281.325012
3.00000000 , 7.93713704E-02 , 8.92519504E-02 , 187.688004