xper,xns,xew,xco
0.100000001 , 0.568875909 , 0.517516613 , 892.650024
0.200000003 , 0.256426334 , 0.131060898 , 1031.25000
0.300000012 , 0.122105911 , 0.129616007 , 1031.25000
0.500000000 , 1.79653298E-02 , 1.77571643E-02 , 1031.25000
1.00000000 , 4.47840709E-03 , 4.34264587E-03 , 562.650024
2.00000000 , 1.21785863E-03 , 1.79317896E-03 , 281.325012
3.00000000 , 8.35606304E-04 , 1.15730427E-03 , 187.688004