xper,xns,xew,xco
0.100000001 , 4.27846956 , 1.14274490 , 892.650024
0.200000003 , 5.64504862 , 1.65733945 , 1031.25000
0.300000012 , 10.6524982 , 1.07087600 , 1031.25000
0.500000000 , 2.70831537 , 1.15045440 , 1031.25000
1.00000000 , 1.03367865 , 0.302422136 , 562.650024
2.00000000 , 0.184195861 , 3.94749306E-02 , 281.325012
3.00000000 , 7.55433142E-02 , 1.55126117E-02 , 187.688004