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MathGroup Archive 2005

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Re: lists of variables

  • To: mathgroup at smc.vnet.net
  • Subject: [mg58245] Re: lists of variables
  • From: "Ray Koopman" <koopman at sfu.ca>
  • Date: Fri, 24 Jun 2005 02:50:07 -0400 (EDT)
  • References: <d9630u$q1t$1@smc.vnet.net><d9e10o$ge4$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

dh wrote:
> Hi Heath,
> You already got many answers, but I think the solution to create
> a variable name as a string and using ToExpression  is not the
> appropriate way to do this.
> Array[..] is made for this purpose.

I agree that using ToExpression to construct code is awkward and tends
to obscure what the code is, but for functions such as Minimize, that
require names of variables in their calling sequence, how else would
you handle problems in which the number of variables is not fixed?


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