xper,xns,xew,xco
0.100000001 , 2.52139759 , 2.74451566 , 892.650024
0.200000003 , 3.64831948 , 4.60309076 , 1031.25000
0.300000012 , 4.37392139 , 3.86201596 , 1031.25000
0.500000000 , 2.82718253 , 4.22874451 , 1031.25000
1.00000000 , 0.724461734 , 1.10359406 , 562.650024
2.00000000 , 0.203096777 , 0.187976003 , 281.325012
3.00000000 , 8.51386189E-02 , 8.57748911E-02 , 187.688004