xper,xns,xew,xco
0.100000001 , 2.66842246 , 2.50720835 , 892.650024
0.200000003 , 5.02793884 , 3.02513313 , 1031.25000
0.300000012 , 5.29347134 , 3.68076253 , 1031.25000
0.500000000 , 3.93632460 , 2.75014067 , 1031.25000
1.00000000 , 0.859696507 , 1.04098427 , 562.650024
2.00000000 , 0.250186086 , 0.284399927 , 281.325012
3.00000000 , 8.76617730E-02 , 8.83745700E-02 , 187.688004