xper,xns,xew,xco
0.100000001 , 3.44963765 , 4.66939354 , 892.650024
0.200000003 , 5.49759626 , 5.43672037 , 1031.25000
0.300000012 , 6.09530640 , 6.12245798 , 1031.25000
0.500000000 , 10.1662569 , 10.6798029 , 1031.25000
1.00000000 , 1.59564722 , 2.02921677 , 562.650024
2.00000000 , 0.296839029 , 0.370416254 , 281.325012
3.00000000 , 8.32870081E-02 , 0.133869216 , 187.688004