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Re: Octave/C++ matrix Inv() comparison


From: Jordi Gutiérrez Hermoso
Subject: Re: Octave/C++ matrix Inv() comparison
Date: Wed, 17 Jul 2013 13:32:21 -0400

On 17 July 2013 00:26, Ed Meyer <address@hidden> wrote:
> Sorry for continuing this on the maintainer's list but I don't know how to
> move it to the help list.

Just change the list you're CCing. I just did that.

> Jeff are you aware of how data is stored in fortran and how it differs from
> C?

Jean-François was apparently unaware that Octave is doing a Cholesky
factorisation with dpotrf/dpotri since his original matrix is
symmetric. Instead, he was calling generic LU decomposition functions
with dgetri/dgetrf.

Ed, you had already pointed out this.

- Jordi G. H.


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