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From: | Paul Kienzle |
Subject: | Re: use LAPACK routine for triangular systems? |
Date: | Mon, 28 Nov 2005 07:39:20 -0500 |
On Nov 27, 2005, at 8:22 PM, Evan Monroig wrote:
On 11/26/05, Paul Kienzle <address@hidden> wrote:Octave-forge has trisolve.m in main/splines which uses the LAPACK routines. Octave 2.9.x has this built into the sparse matrix solver routines. - PaulThis is for tridiagonal systems, and I am looking into using a LAPACK routine for upper-triangular systems ;)
In octave-forge/extra/linear-algebra there is a triangular matrix type and implements a solver. You will have to check out the 2.9.x sparse support yourself, but I believe David implemented optimizations for banded and perhaps triangular matrices. - Paul ------------------------------------------------------------- Octave is freely available under the terms of the GNU GPL. Octave's home on the web: http://www.octave.org How to fund new projects: http://www.octave.org/funding.html Subscription information: http://www.octave.org/archive.html -------------------------------------------------------------
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