xper,xns,xew,xco
0.100000001 , 2.04123473 , 2.32876086 , 892.650024
0.200000003 , 1.09889674 , 1.16983688 , 1031.25000
0.300000012 , 1.53201032 , 1.21765125 , 1031.25000
0.500000000 , 0.690441489 , 0.748262048 , 1031.25000
1.00000000 , 0.262722045 , 0.265347987 , 562.650024
2.00000000 , 5.92646413E-02 , 4.76190858E-02 , 281.325012
3.00000000 , 2.44196001E-02 , 1.36874504E-02 , 187.688004