xper,xns,xew,xco
0.100000001 , 0.990469038 , 1.81879830 , 892.650024
0.200000003 , 1.40518391 , 1.42188263 , 1031.25000
0.300000012 , 1.45732260 , 2.40219975 , 1031.25000
0.500000000 , 0.866440356 , 1.29481673 , 1031.25000
1.00000000 , 0.179928243 , 0.189455748 , 562.650024
2.00000000 , 3.07890214E-02 , 3.96952331E-02 , 281.325012
3.00000000 , 1.07661625E-02 , 1.21289436E-02 , 187.688004