applying rule to one term??
- To: mathgroup at smc.vnet.net
- Subject: [mg5788] applying rule to one term??
- From: David Elbert <elbert at jhu.edu>
- Date: Sat, 18 Jan 1997 14:58:39 -0500
- Sender: owner-wri-mathgroup at wolfram.com
Hi Folks, I have been signed off of Mathgroup for a couple of years, but I was just asked a question I couldn't answer... so I'm back! I went through the recent archives on the wolfram web site and couldn't find an answer. I hope this doesn't cover old ground, but... given an equation and the need to apply some rule for algebraic simplification, can you get Mma to apply that rule to just a specific term of the equation? For example: f[x] g[x] + (f[x] g[x] + 1) == Sin[x] + 2 can we write a rule to factor out g[x] only the second term to give: f[x] g[x] + g[x](f[x] + 1/g[x]) == Sin[x] + 2 This may seem odd, but my colleague is quite adamant about wanting to control the form of her equation, term by term. I had to confess that I had no idea how to work with just part of an equation, and the book didn't offer and insight. I'll appreciate any help anyone can offer- David Elbert elbert at jhu.edu