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MathGroup Archive 2001

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Re: Find variables in a very long expression?

  • To: mathgroup at smc.vnet.net
  • Subject: [mg31364] Re: [mg31359] Find variables in a very long expression?
  • From: BobHanlon at aol.com
  • Date: Wed, 31 Oct 2001 03:30:54 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

In a message dated 2001/10/30 4:53:57 AM, jflanigan at netzero.net writes:

>I have a very long expression and I would like to find out what the
>variables in that expression are.
>
>How would I do that?
>

Union[Cases[expr, _Symbol?(!NumericQ[#]&), Infinity]]


Bob Hanlon
Chantilly, VA  USA


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