Variables[] in general expressions
- To: mathgroup at smc.vnet.net
 - Subject: [mg20024] Variables[] in general expressions
 - From: Ken Rice <kmr1004 at hermes.cam.ac.uk>
 - Date: Sat, 25 Sep 1999 02:40:48 -0400
 - Sender: owner-wri-mathgroup at wolfram.com
 
Hi there,
Is there any way of extracting a list of variables from a general
expression, not just a polynomial? I want something which will do,
e.g.
In	AllVariables[y + Exp[x]]
Out	{y,x}
Apologies if I'm just being dim.
Ken Rice
_____________________________________________________
Kenneth Rice
Churchill College
Cambridge
CB3 0DS, UK
E-mail: kmr1004 at cam.ac.uk
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