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MathGroup Archive 1993

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Re: Compile AND Remember

  • To: MATHGROUP at yoda.physics.unc.edu
  • Subject: Re: Compile AND Remember
  • From: GER.XSE0027 at applelink.apple.com (Germany - RL Jakschewitz,Nrnbrg,IDV)
  • Date: 26 Apr 93 22:20 GMT

in message <9304260435.AA28598 at yoda.physics.unc.edu> Simon Chandler writes
 
> f[x_,y_,z_]:= f[x,y,z] = blah blah
  [...]
> Can I combine Compile with the "remembering" of function values ?
> Would this be faster than just using Compile ?
 
The combination seems to be possible only, if you do  it in two steps:
 
In[1]:= fc := Compile[{x,y,z}, blah blah ]
In[2]:= f[x_,y_,z_]:= f[x,y,z] = fc[x,y,z]
 
If only "blah blah" takes long enough to compute, f[a,b,c] called repeatedly
should definitely be faster than calling fc[a,b,c].
 
Roland Jakschewitz
 
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