Re: extracting variables from an expression
- To: mathgroup at smc.vnet.net
- Subject: [mg44141] Re: extracting variables from an expression
- From: "Steve Luttrell" <luttrell at _removemefirst_westmal.demon.co.uk>
- Date: Fri, 24 Oct 2003 04:24:09 -0400 (EDT)
- References: <bn8e5q$ngu$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Something like this might do what you want: Cases[x || y || z, _?AtomQ, \[Infinity]] -- Steve Luttrell West Malvern, UK "Peter Schinko" <Peter.Schinko at utanet.at> wrote in message news:bn8e5q$ngu$1 at smc.vnet.net... > Hi, > > I'm looking for a function that extracts all variables from a boolean > expression. > For example: > x || y || z > should return something similar to {x, y, z}. > > Is there a similar function in Mathematica? If so, how does it work? > > Thanks very much > Peter > >