xper,xns,xew,xco
0.100000001 , 52.8394203 , 25.5916405 , 892.650024
0.200000003 , 161.663834 , 54.9287415 , 1031.25000
0.300000012 , 86.6633301 , 38.4013901 , 1031.25000
0.500000000 , 18.8060856 , 6.35295486 , 1031.25000
1.00000000 , 4.65716600 , 0.985606253 , 562.650024
2.00000000 , 0.606191397 , 0.259121984 , 281.325012
3.00000000 , 0.441464365 , 9.89614129E-02 , 187.688004