xper,xns,xew,xco
0.100000001 , 2.66834903 , 2.50716329 , 892.650024
0.200000003 , 5.02781534 , 3.02501154 , 1031.25000
0.300000012 , 5.29334164 , 3.68096399 , 1031.25000
0.500000000 , 3.93651509 , 2.74991107 , 1031.25000
1.00000000 , 0.859751821 , 1.04113412 , 562.650024
2.00000000 , 0.250373662 , 0.284597218 , 281.325012
3.00000000 , 8.71136039E-02 , 8.85083303E-02 , 187.688004