xper,xns,xew,xco
0.100000001 , 3.44948697 , 4.66941452 , 892.650024
0.200000003 , 5.49769592 , 5.43674135 , 1031.25000
0.300000012 , 6.09540606 , 6.12243795 , 1031.25000
0.500000000 , 10.1661263 , 10.6797838 , 1031.25000
1.00000000 , 1.59552085 , 2.02919912 , 562.650024
2.00000000 , 0.296588570 , 0.370399505 , 281.325012
3.00000000 , 8.31311569E-02 , 0.133885533 , 187.688004