xper,xns,xew,xco
0.100000001 , 3.44917154 , 4.66989422 , 892.650024
0.200000003 , 5.49771452 , 5.43704224 , 1031.25000
0.300000012 , 6.09539938 , 6.12199020 , 1031.25000
0.500000000 , 10.1660995 , 10.6794548 , 1031.25000
1.00000000 , 1.59545815 , 2.02882123 , 562.650024
2.00000000 , 0.296581775 , 0.370007038 , 281.325012
3.00000000 , 8.30974653E-02 , 0.134255588 , 187.688004