Re: transpose

*To*: mathgroup at smc.vnet.net*Subject*: [mg55685] Re: [mg55673] transpose*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sun, 3 Apr 2005 05:50:53 -0400 (EDT)*Reply-to*: hanlonr at cox.net*Sender*: owner-wri-mathgroup at wolfram.com

Solve[i==e/r, e] {{e->i r}} e/.Solve[i==e/r, e] {i r} e/.First[Solve[i==e/r, e]] i r e/.Solve[i==e/r, e][[1]] i r First[e/.Solve[i==e/r, e]] i r (e/.Solve[i==e/r, e])[[1]] i r Reduce[i==e/r, e] e == i*r && r != 0 Bob Hanlon > > From: Paul <p3aul1 at cox.net> To: mathgroup at smc.vnet.net > Date: 2005/04/02 Sat AM 01:28:03 EST > To: mathgroup at smc.vnet.net > Subject: [mg55685] [mg55673] transpose > > 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 > >