xper,xns,xew,xco
0.100000001 , 0.463812888 , 0.426773995 , 892.650024
0.200000003 , 1.30162227 , 1.20450163 , 1031.25000
0.300000012 , 0.831439912 , 0.730374098 , 1031.25000
0.500000000 , 0.459237903 , 0.727201462 , 1031.25000
1.00000000 , 0.353987604 , 0.460671097 , 562.650024
2.00000000 , 0.153917089 , 0.105978474 , 281.325012
3.00000000 , 4.36731838E-02 , 3.15675400E-02 , 187.688004