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Re: [Help-gsl] linear algebra doubt

From: Frank Reininghaus
Subject: Re: [Help-gsl] linear algebra doubt
Date: Mon, 13 Oct 2008 16:43:51 +0200


could you send a small (but complete) program that shows the problem? It
might be easier to analyze your problem if it can be reproduced.


2008/10/11 Adhithya Ravichandran <address@hidden>

> Hi
> I am using the linear algebra header for one of my simulations. I want to
> invert a matrix and i tried using the gsl LU invert function for real
> numbers.
> Whatever be the order of the square matrix , only the last two rows of the
> output has valid numbers. the rest of it is either "nan" or "inf" which is
> wrong.
> Am I using the function in a wrong manner? I have been using a permutation
> matrix which is the identity matrix. do i need to change it?
> Adhithya

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