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MathGroup Archive 2005

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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
> 
> 


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