Re: How to get Mathematica to solve for "nonbasic variables"?
- To: mathgroup at smc.vnet.net
- Subject: [mg42380] Re: [mg42359] How to get Mathematica to solve for "nonbasic variables"?
- From: Murray Eisenberg <murray at math.umass.edu>
- Date: Thu, 3 Jul 2003 06:10:34 -0400 (EDT)
- Organization: Mathematics & Statistics, Univ. of Mass./Amherst
- References: <200307021036.GAA15750@smc.vnet.net>
- Reply-to: murray at math.umass.edu
- Sender: owner-wri-mathgroup at wolfram.com
Solve[{5x == 6y, z == x/y}, z]
{{z -> 6/5}}
cdj wrote:
> Hi all,
>
> Intuitively, I'd like to get Mathematica to compute things of the following
> sort:
>
> In: Solve[5x==6y,x/y]
>
> Out: {x/y -> 5/6}
>
> Of course Mathematica won't do this - and several obvious variations on this
> theme don't seem to work either (e.g., introducing a new variable z =
> x/y, and attempting to solve the system for z).
>
> So what's the easiest way to solve (systems of) equations for
> nonatomic variables of this sort?
>
> Thanks for any suggestions,
>
> cdj
>
>
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Murray Eisenberg murray at math.umass.edu
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- References:
- How to get Mathematica to solve for "nonbasic variables"?
- From: a_cjones@hotmail.com (cdj)
- How to get Mathematica to solve for "nonbasic variables"?