xper,xns,xew,xco
0.100000001 , 0.601777852 , 0.537026823 , 892.650024
0.200000003 , 0.952372432 , 0.831767142 , 1031.25000
0.300000012 , 1.24528098 , 0.985053897 , 1031.25000
0.500000000 , 1.28393674 , 1.30164576 , 1031.25000
1.00000000 , 0.502199292 , 0.632058263 , 562.650024
2.00000000 , 0.121956743 , 0.109979808 , 281.325012
3.00000000 , 3.34181897E-02 , 3.56289111E-02 , 187.688004