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Re: Solving matrix equations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg59452] Re: [mg59427] Solving matrix equations
  • From: Sseziwa Mukasa <mukasa at jeol.com>
  • Date: Wed, 10 Aug 2005 02:56:16 -0400 (EDT)
  • References: <200508090730.DAA19114@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com


On Aug 9, 2005, at 3:30 AM, Ramier wrote:

> Hi everyone,
>
> I've got some linear equations to solve and I don't really know how to
> do it
> Is it possible to solve such an equation with Mathematica :
>
> v_n=v_0.P^n
>
> where v_n and v_0 are two vectors of m-components and P is a mxm  
> matrix
> (in the problem i'm studying, m is about 100). I know v_n,v_0 and n  
> and
> i wanna get P.
>
> I would be also interested to find n, knowing P.
>
> I looked at the functions LinearSolve and LinearSolveFunction but I
> didn't really worked out the thing. And I'm not really skilled with
> Mathematica, I never used it before !
>
> If you have some ideas...

The equation is not linear and is severely underdetermined, P has m^2  
unknowns and there are only m equations.

Regards,

Ssezi



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