xper,xns,xew,xco
0.100000001 , 1.56704438 , 1.15912700 , 892.650024
0.200000003 , 1.96310580 , 1.85226190 , 1031.25000
0.300000012 , 2.76887107 , 2.06098008 , 1031.25000
0.500000000 , 2.38863611 , 2.12806487 , 1031.25000
1.00000000 , 0.904179096 , 0.510881186 , 562.650024
2.00000000 , 0.143881798 , 9.39950570E-02 , 281.325012
3.00000000 , 4.16887365E-02 , 3.13357115E-02 , 187.688004