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>
- transpose