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Re: Repeated function evaluation?


if you write

f[x_,y_]:=f[x,y]=Module[{}, ..]

yes, otherwise not.


> Suppose I have a function  f[x_,y_] := Module[{ }, . . .]  where the
> module is fairly time-consuming to evaluate.
> If I call this function a second time in a given notebook using
> identical values of the arguments  x  and  y , is Mathematica smart
> enough the second time around to recognize that it's already evaluated
> the function once for those arguments, and use a stored value?

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