xper,xns,xew,xco
0.100000001 , 2.39677525 , 2.71367145 , 892.650024
0.200000003 , 2.51566577 , 3.08780670 , 1031.25000
0.300000012 , 3.05199337 , 4.60581350 , 1031.25000
0.500000000 , 6.88733578 , 7.35563612 , 1031.25000
1.00000000 , 5.85727406 , 4.76794910 , 562.650024
2.00000000 , 2.66940308 , 2.17847180 , 281.325012
3.00000000 , 1.72769439 , 1.45230949 , 187.688004