xper,xns,xew,xco
0.100000001 , 2.80685735 , 1.65235949 , 973.799988
0.200000003 , 1.17955101 , 1.14215302 , 1125.00000
0.300000012 , 1.26569843 , 1.17666340 , 1125.00000
0.500000000 , 0.922293484 , 1.25928688 , 1125.00000
1.00000000 , 0.203535095 , 0.223042935 , 675.000000
2.00000000 , 4.72752266E-02 , 4.45739329E-02 , 337.500000
3.00000000 , 1.53643405E-02 , 2.48125866E-02 , 225.000000