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MathGroup Archive 2003

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Re: Perform an assigment

  • To: mathgroup at smc.vnet.net
  • Subject: [mg43879] Re: Perform an assigment
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Fri, 10 Oct 2003 03:05:47 -0400 (EDT)
  • Organization: Universitaet Leipzig
  • References: <bm2u1n$6qd$1@smc.vnet.net>
  • Reply-to: kuska at informatik.uni-leipzig.de
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

don't do this use the rules returned by als Solve[] functions
to replace the values of the symbolic variables in certain expressions.

{a, b, c} /. Solve[{a == 1, b == 2, c == 3}, {a, b, c}][[1]]

But if you insist to make assignments, something like

Set @@@ Transpose[{{a, b, c}, {a, b, c} /. 
        Solve[{a == 1, b == 2, c == 3}, {a, b, c}][[1]]}]

will do that.

Regards
  Jens

paulocct at uniquindio.edu.co wrote:
> 
> Hi all,
> I want to solve a system of equations and to assign the values
> calculated to the variables of the system automatically, What should I
> do?. What command should I use?
> 
> Thanks a lot,
> 
> Paulo Carmona
> University of Quindio
> Colombia
> 
>


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