xper,xns,xew,xco
0.100000001 , 0.571307659 , 0.961128771 , 892.650024
0.200000003 , 0.847944140 , 1.46151948 , 1031.25000
0.300000012 , 1.35059035 , 1.95303416 , 1031.25000
0.500000000 , 2.48414230 , 3.98095155 , 1031.25000
1.00000000 , 0.387474298 , 0.730742753 , 562.650024
2.00000000 , 0.153109387 , 0.111459449 , 281.325012
3.00000000 , 4.04157601E-02 , 5.72328083E-02 , 187.688004