xper,xns,xew,xco
0.100000001 , 0.601803482 , 0.537055016 , 892.650024
0.200000003 , 0.952401638 , 0.831750035 , 1031.25000
0.300000012 , 1.24530602 , 0.985019088 , 1031.25000
0.500000000 , 1.28388906 , 1.30162895 , 1031.25000
1.00000000 , 0.502187371 , 0.632015765 , 562.650024
2.00000000 , 0.122090548 , 0.109824270 , 281.325012
3.00000000 , 3.33128981E-02 , 3.55184153E-02 , 187.688004