[Date Index] [Thread Index] [Author Index]

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

• Follow-Ups:
  • Re: Variables[] in general expressions
    • From: "Carl K.Woll" <carlw@fermi.phys.washington.edu>