xper,xns,xew,xco
0.100000001 , 20.9110909 , 14.6572676 , 892.650024
0.200000003 , 30.2189045 , 22.5174026 , 1031.25000
0.300000012 , 38.4801826 , 20.1820850 , 1031.25000
0.500000000 , 10.9474936 , 3.70829725 , 1031.25000
1.00000000 , 1.73048997 , 0.485035121 , 562.650024
2.00000000 , 0.366609275 , 0.105498664 , 281.325012
3.00000000 , 0.149531290 , 4.56180684E-02 , 187.688004