Free variables in an expression
- To: mathgroup at smc.vnet.net
- Subject: [mg54758] Free variables in an expression
- From: Sascha Kratky <notvalid at notvalid.com>
- Date: Tue, 1 Mar 2005 01:58:13 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
Is there a Mathematica built-in function that gives a list of free (unbound) variables in an arbitrary expression? Thanks, Sascha