xper,xns,xew,xco
0.100000001 , 2.52106214 , 2.74498558 , 892.650024
0.200000003 , 3.64854050 , 4.60345411 , 1031.25000
0.300000012 , 4.37360573 , 3.86135173 , 1031.25000
0.500000000 , 2.82682729 , 4.22904396 , 1031.25000
1.00000000 , 0.724847257 , 1.10306919 , 562.650024
2.00000000 , 0.202660710 , 0.188383430 , 281.325012
3.00000000 , 8.46718103E-02 , 8.51598457E-02 , 187.688004