xper,xns,xew,xco
0.100000001 , 0.601796150 , 1.24381042 , 892.650024
0.200000003 , 0.952402532 , 0.855388701 , 1031.25000
0.300000012 , 1.24532235 , 0.982169330 , 1031.25000
0.500000000 , 1.28393459 , 1.31109011 , 1031.25000
1.00000000 , 0.502209485 , 0.630753994 , 562.650024
2.00000000 , 0.122026213 , 0.109623365 , 281.325012
3.00000000 , 3.33688110E-02 , 3.52891721E-02 , 187.688004