xper,xns,xew,xco
0.100000001 , 0.325435817 , 0.624495506 , 892.650024
0.200000003 , 0.548623145 , 0.483463407 , 1031.25000
0.300000012 , 0.816283286 , 0.992969036 , 1031.25000
0.500000000 , 1.09456384 , 1.01868594 , 1031.25000
1.00000000 , 0.480100572 , 0.391116470 , 562.650024
2.00000000 , 0.130012557 , 0.115550995 , 281.325012
3.00000000 , 4.53951806E-02 , 6.02051318E-02 , 187.688004