xper,xns,xew,xco
0.100000001 , 0.450964242 , 0.798771858 , 892.650024
0.200000003 , 0.546562076 , 0.446536243 , 1031.25000
0.300000012 , 0.754927158 , 0.708823740 , 1031.25000
0.500000000 , 1.36962247 , 0.925956905 , 1031.25000
1.00000000 , 0.509827614 , 0.262469500 , 562.650024
2.00000000 , 0.115383513 , 0.114324547 , 281.325012
3.00000000 , 4.97865416E-02 , 7.26407468E-02 , 187.688004