xper,xns,xew,xco
0.100000001 , 20.9105892 , 14.6568546 , 892.650024
0.200000003 , 30.2194462 , 22.5174961 , 1031.25000
0.300000012 , 38.4805756 , 20.1823025 , 1031.25000
0.500000000 , 10.9476929 , 3.70832157 , 1031.25000
1.00000000 , 1.73032773 , 0.485068619 , 562.650024
2.00000000 , 0.366531640 , 0.105494693 , 281.325012
3.00000000 , 0.149369538 , 4.56708930E-02 , 187.688004