xper,xns,xew,xco
0.100000001 , 2.66844964 , 2.50723696 , 892.650024
0.200000003 , 5.02796221 , 3.02512741 , 1031.25000
0.300000012 , 5.29349518 , 3.68075848 , 1031.25000
0.500000000 , 3.93630815 , 2.75015092 , 1031.25000
1.00000000 , 0.859667599 , 1.04098523 , 562.650024
2.00000000 , 0.250174642 , 0.284396589 , 281.325012
3.00000000 , 8.76342431E-02 , 8.83816183E-02 , 187.688004