xper,xns,xew,xco
0.100000001 , 0.920850098 , 1.26865304 , 892.650024
0.200000003 , 1.50122368 , 1.67892909 , 1031.25000
0.300000012 , 2.21513414 , 1.92106676 , 1031.25000
0.500000000 , 2.51266050 , 3.23059344 , 1031.25000
1.00000000 , 0.529801548 , 1.53781259 , 562.650024
2.00000000 , 8.13331082E-02 , 0.164019987 , 281.325012
3.00000000 , 3.31829563E-02 , 5.43594174E-02 , 187.688004