xper,xns,xew,xco
0.100000001 , 0.444876552 , 0.517513096 , 892.650024
0.200000003 , 0.256467849 , 0.131122738 , 1031.25000
0.300000012 , 0.122153960 , 0.129565656 , 1031.25000
0.500000000 , 1.89769715E-02 , 1.78057980E-02 , 1031.25000
1.00000000 , 4.54422645E-03 , 2.38427240E-03 , 562.650024
2.00000000 , 1.97487324E-03 , 1.53409864E-03 , 281.325012
3.00000000 , 8.10816360E-04 , 1.17341755E-03 , 187.688004