1F8༭·̣zmax/(1+k*(exp(-r*(x+y))))趨ΪSurface FittingΪںģУ򿪵ĬΪSurface FittingȻڱ༭̺󣬰F9֯еķ̣ƶSurface FittingС

2Analysis,Fitting,Nonlinear Surface FitڡSettings,Function SelectionѡղԶķ̣ٸݲ壬ϸ趨ֵParameterĿ£Ϊ˵õ׼ȷĲֵSettings,Advanced趨ToleranceΪСֵ1E-25

20/(1+25*(EXP(-0.045*(A1+B1))))
z=zmax/(1+k*(exp(-r*(x+y))))

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