Re: transpose

*To*: mathgroup at smc.vnet.net*Subject*: [mg55676] Re: [mg55673] transpose*From*: DrBob <drbob at bigfoot.com>*Date*: Sun, 3 Apr 2005 05:50:46 -0400 (EDT)*References*: <200504020628.BAA10769@smc.vnet.net>*Reply-to*: drbob at bigfoot.com*Sender*: owner-wri-mathgroup at wolfram.com

For instance: (inputs) step1 = Solve[i == e/r, r] step2 = First@step1 step3 = r /. step2 (outputs) {{r -> e/i}} {r -> e/i} e/i or e /. Solve[i == e/r, e][[1]] i r (There are many other equivalent methods.) Bobby On Sat, 2 Apr 2005 01:28:03 -0500 (EST), Paul <p3aul1 at cox.net> wrote: > I am a newbie with a simple question. > > I have an equation: i = e/r I want to solve the equation for r or e(it > doesn't matter which), symbolicaly. I know this is a difficult equation > ;), but by starting simply I can figure out others. > Thanks, > Paul > > > > -- DrBob at bigfoot.com

**References**:**transpose***From:*Paul <p3aul1@cox.net>