xper,xns,xew,xco
0.100000001 , 3.73459029 , 4.29108429 , 973.799988
0.200000003 , 4.40713549 , 5.83056498 , 1125.00000
0.300000012 , 4.59044313 , 4.28519344 , 1125.00000
0.500000000 , 1.84906387 , 1.89528668 , 1125.00000
1.00000000 , 0.362414390 , 0.310399801 , 675.000000
2.00000000 , 9.58673507E-02 , 7.48260170E-02 , 337.500000
3.00000000 , 4.60294783E-02 , 2.20219232E-02 , 225.000000