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MathGroup Archive 2001

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Re: matrix inversion

  • To: mathgroup at smc.vnet.net
  • Subject: [mg27135] Re: matrix inversion
  • From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
  • Date: Wed, 7 Feb 2001 02:12:42 -0500 (EST)
  • Organization: Universitaet Leipzig
  • References: <95j4ef$c5h@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,

your matrix require pivoting. Typical the row with
the largest diagonal part is searched and the matrix
rows are exchanged to that this row is reduced first.

With Mathematca Inverse[] will do it for you.

Regards
  Jens

Elias Kyriakides wrote:
> 
> Dear friends,
> 
> I am trying to write a code regarding inversion of a square matrix. The
> problem is that the matrix has diagonal terms zero and therefore i get
> division by zero. Does anybody know how to go about this? Is there a
> certain mathematical method to use?
> 
> Thanks,
> Elias


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