xper,xns,xew,xco
0.100000001 , 2.66846800 , 2.50716996 , 892.650024
0.200000003 , 5.02797747 , 3.02506614 , 1031.25000
0.300000012 , 5.29350805 , 3.68087983 , 1031.25000
0.500000000 , 3.93629742 , 2.75000477 , 1031.25000
1.00000000 , 0.859647036 , 1.04106843 , 562.650024
2.00000000 , 0.250162035 , 0.284514725 , 281.325012
3.00000000 , 8.76271054E-02 , 8.84511247E-02 , 187.688004