xper,xns,xew,xco
0.100000001 , 2.52059531 , 2.74548078 , 892.650024
0.200000003 , 3.64884973 , 4.60383606 , 1031.25000
0.300000012 , 4.37317181 , 3.86064911 , 1031.25000
0.500000000 , 2.82633805 , 4.22935438 , 1031.25000
1.00000000 , 0.725373507 , 1.10252988 , 562.650024
2.00000000 , 0.202071562 , 0.188814700 , 281.325012
3.00000000 , 8.40103626E-02 , 8.45087543E-02 , 187.688004