xper,xns,xew,xco
0.100000001 , 2.52145004 , 2.74446559 , 892.650024
0.200000003 , 3.64828396 , 4.60305214 , 1031.25000
0.300000012 , 4.37397099 , 3.86208749 , 1031.25000
0.500000000 , 2.82723880 , 4.22871161 , 1031.25000
1.00000000 , 0.724401653 , 1.10365081 , 562.650024
2.00000000 , 0.203164518 , 0.187931791 , 281.325012
3.00000000 , 8.52098167E-02 , 8.58405307E-02 , 187.688004