xper,xns,xew,xco
0.100000001 , 0.601803005 , 0.537030637 , 892.650024
0.200000003 , 0.952400863 , 0.831752181 , 1031.25000
0.300000012 , 1.24530578 , 0.985031545 , 1031.25000
0.500000000 , 1.28389335 , 1.30164695 , 1031.25000
1.00000000 , 0.502189100 , 0.632048726 , 562.650024
2.00000000 , 0.122080848 , 0.109907515 , 281.325012
3.00000000 , 3.33206207E-02 , 3.55759114E-02 , 187.688004