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MathGroup Archive 2004

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Re: Iterator problem.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52346] Re: Iterator problem.
  • From: Peter Pein <petsie at arcor.de>
  • Date: Wed, 24 Nov 2004 02:32:17 -0500 (EST)
  • References: <cnuoj6$squ$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Robert G. Wilson v wrote:
> Hello,
> 
> 	I am having a problem with iterators in Mathematica.
> 	
> 	I have a sequence of integers defined by a[n]. I wish to build a table
> of integers out of the above such that this table only contains integers of
> the form a(i)+a(j)+a(k).
> 
> 	I tried Table[a[i] + a[j] + a[k], {k, 1, 3}, {j, i, k}, {i, 1, j}] but
> the iterators do not have appropriate bounds.
> 
> 	Any help would be greatly appreciated.
> 
> Sincerely,
> 
> Bob.
> 
Hi Bob,

I guess it should read
Table[a[i] + a[j] + a[k], {k, 1, 3}, {j, 1, k}, {i, 1, j}].

-- 
Peter Pein
10245 Berlin


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