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MathGroup Archive 2007

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Re: FullSimplify in functions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg82598] Re: FullSimplify in functions
  • From: Szabolcs Horvát <szhorvat at gmail.com>
  • Date: Fri, 26 Oct 2007 05:13:09 -0400 (EDT)
  • References: <ffpq3s$lbu$1@smc.vnet.net>

Michael Mandelberg wrote:
> What is the best/proper way to incorporate FullSimplify[ ] into a
> function definition in such a way that the FullSimplify[ ] executes
> only once instead of each time the function is called, i.e. it is
> "compiled", though I'm not sure this is the same thing as the
> Mathematica Compile[ ] function.
> 

No, no, compilation is something *completely* different.  You probably 
mean result caching:

Instead of

f[input_] := (...)

use

f[input_] := f[input] = (...)

This way the function 'f' will remember all the results it has computed.

-- 
Szabolcs


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