xper,xns,xew,xco
0.100000001 , 2.74353456 , 2.32906556 , 892.650024
0.200000003 , 4.92680025 , 3.07980871 , 1031.25000
0.300000012 , 5.18745995 , 3.62164116 , 1031.25000
0.500000000 , 3.90123367 , 2.77951407 , 1031.25000
1.00000000 , 0.857396960 , 1.04044652 , 562.650024
2.00000000 , 0.249354944 , 0.283460230 , 281.325012
3.00000000 , 8.79801735E-02 , 8.83598477E-02 , 187.688004