MathGroup Archive 2005

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Re: FindMinimum::nnum

You have to prevent the inner FindMinimum to evaluate, should the
argument be not numeric :

In[1]:= ClearAll[f,x,y];

In[2]:= f[y_?NumericQ] := x /. Last@FindMinimum[Sin[x y],{x,2}]

In[3]:= FindMinimum[(2.3-f[y])^2,{y,1}]

Out[3]= {1.29512*^-18, {y -> 2.04886}}

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