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Re: Sparse matrices

From: Stefan van der Walt
Subject: Re: Sparse matrices
Date: Sun, 31 Oct 2004 19:09:26 +0200
User-agent: Mutt/1.5.6+20040722i

Hi Diego

Octave forge currently has sparse matrix functions, based on SuperLU.
This functionality is unfortunately not yet integrated into Octave --
if I recall correctly there there is some discussion as to which
underlying fortran library to use.

If you are interested in the implementation details, look at

where John Eaton expressed his concern over the usage of malloc and
free (instead of new and delete) in the octave forge implementation.

Paul Kienzle considered the different fortran libraries available,
indicating that UMFPACK might be a good contender (it is also used by
the leading brand).


On Sun, Oct 31, 2004 at 03:58:10PM +0800, Diego Ruiz wrote:
> Hi there,
> Is there in Octave any tool equivalent to the Matlab's "Sparse 
> Matrix"?
> Thanks,
> Diego

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