xper,xns,xew,xco
0.100000001 , 0.657146513 , 0.601785183 , 892.650024
0.200000003 , 0.200448036 , 0.209952146 , 1031.25000
0.300000012 , 9.02264044E-02 , 8.61590952E-02 , 1031.25000
0.500000000 , 3.42359394E-02 , 5.23341559E-02 , 1031.25000
1.00000000 , 3.47507447E-02 , 2.41766702E-02 , 562.650024
2.00000000 , 2.34728698E-02 , 1.95449516E-02 , 281.325012
3.00000000 , 2.04622243E-02 , 1.70939900E-02 , 187.688004