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