xper,xns,xew,xco
0.100000001 , 1.54706788 , 0.842925787 , 892.650024
0.200000003 , 0.331556946 , 0.257584095 , 1031.25000
0.300000012 , 0.218668997 , 0.189110965 , 1031.25000
0.500000000 , 0.159046441 , 0.112062596 , 1031.25000
1.00000000 , 0.115533292 , 5.47032468E-02 , 562.650024
2.00000000 , 6.53701574E-02 , 4.34340313E-02 , 281.325012
3.00000000 , 3.41772772E-02 , 2.76234336E-02 , 187.688004