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MathGroup Archive 1993

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symbol v/: - how many values?

  • To: mathgroup at yoda.physics.unc.edu
  • Subject: symbol v/: - how many values?
  • From: jasonh at mundil.cs.mu.oz.au (Jason Brett HARROP)
  • Date: Tue, 21 Sep 93 15:45:49 +1000

Hi,

Given a function v of the form

     v[x1_, x2_, ..] := v[x1, x2, ..] = ......

which therefore saves the values computed for given x1, x2, and associates
them with v, the actual saves values can be inspected with ?v or 
Information[v].

How can I find out how many values of v have been calculated, without
asking to see them in some form and then counting them automatically.


The reason I ask is that, the values are being calculated recursively
by a dynamic program, and I would like to see how efficiently search
space is being traversed.

Thanks for any clues.

Jason Harrop
jasonh at mundil.cs.mu.oz.au







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