xper,xns,xew,xco
0.100000001 , 2.74424410 , 2.32746434 , 892.650024
0.200000003 , 4.92754078 , 3.08198524 , 1031.25000
0.300000012 , 5.18820572 , 3.19046950 , 1031.25000
0.500000000 , 3.57336760 , 2.21754313 , 1031.25000
1.00000000 , 0.856698275 , 1.03696215 , 562.650024
2.00000000 , 0.174846604 , 0.182420939 , 281.325012
3.00000000 , 5.03478236E-02 , 8.81107077E-02 , 187.688004