xper,xns,xew,xco
0.100000001 , 20.9105854 , 14.6568489 , 892.650024
0.200000003 , 30.2194443 , 22.5174904 , 1031.25000
0.300000012 , 38.4805717 , 20.1823025 , 1031.25000
0.500000000 , 10.9476929 , 3.70832491 , 1031.25000
1.00000000 , 1.73032558 , 0.485073179 , 562.650024
2.00000000 , 0.366531670 , 0.105481714 , 281.325012
3.00000000 , 0.149369299 , 4.56721745E-02 , 187.688004