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MathGroup Archive 2004

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Re: Iterator problem.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52350] Re: [mg52327] Iterator problem.
  • From: yehuda ben-shimol <benshimo at bgu.ac.il>
  • Date: Wed, 24 Nov 2004 02:32:21 -0500 (EST)
  • References: <200411230712.CAA29378@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

There is an error in the definition of your bounds (cyclic definition 
actually). The upper bound for i is j. The lower bound for j is i , so 
you cannot expect a software to solve it, isn't it ;) ?
yehuda


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.
>
>  
>


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