xper,xns,xew,xco
0.100000001 , 0.601768792 , 0.537052989 , 892.650024
0.200000003 , 0.952364624 , 0.831758380 , 1031.25000
0.300000012 , 1.24527168 , 0.985031366 , 1031.25000
0.500000000 , 1.28390086 , 1.30162871 , 1031.25000
1.00000000 , 0.502176404 , 0.632021308 , 562.650024
2.00000000 , 0.122024544 , 0.109864227 , 281.325012
3.00000000 , 3.33609357E-02 , 3.55489515E-02 , 187.688004