xper,xns,xew,xco
0.100000001 , 0.601796985 , 0.537025571 , 892.650024
0.200000003 , 0.952398419 , 0.831759989 , 1031.25000
0.300000012 , 1.24529958 , 0.985044539 , 1031.25000
0.500000000 , 1.28381729 , 1.30164909 , 1031.25000
1.00000000 , 0.502147138 , 0.632057846 , 562.650024
2.00000000 , 0.122238703 , 0.109955087 , 281.325012
3.00000000 , 3.31878811E-02 , 3.56098823E-02 , 187.688004