xper,xns,xew,xco
0.100000001 , 2.52105689 , 2.74503732 , 892.650024
0.200000003 , 3.64854407 , 4.60349417 , 1031.25000
0.300000012 , 4.37360048 , 3.86128020 , 1031.25000
0.500000000 , 2.82682252 , 4.22907734 , 1031.25000
1.00000000 , 0.724852920 , 1.10301363 , 562.650024
2.00000000 , 0.202654228 , 0.188428581 , 281.325012
3.00000000 , 8.46595094E-02 , 8.50930959E-02 , 187.688004