xper,xns,xew,xco
0.100000001 , 1.32767355 , 0.849480689 , 892.650024
0.200000003 , 0.514788151 , 0.274278283 , 1031.25000
0.300000012 , 0.358815193 , 0.251748234 , 1031.25000
0.500000000 , 0.179510862 , 0.158977509 , 1031.25000
1.00000000 , 0.125242800 , 8.24662745E-02 , 562.650024
2.00000000 , 8.31511244E-02 , 5.50978482E-02 , 281.325012
3.00000000 , 7.41697401E-02 , 5.89507595E-02 , 187.688004