🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: sci.math.num-analysis
Article #1063

Re: Help , Sparse matrix inversion

#1063
From: samer Takriti
Date: Sun, 24 Jan 1993 16:12
28 lines
1461 bytes
In article <1993Jan21.125609.27784@rdg.dec.com> shaulz@jeremy.enet.dec.com () writes:
>
>
>Hi!
>I am looking for an efficient algorithms for finding
> the inverse of sparse matrix.
>The matrix has the following structure :
>
> xxxxxx00000...00000xxxxxx0000...000 
> 0xxxxxx00000...00000xxxxxx0000...00
> 00xxxxxx00000...00000xxxxxx0000...0
> .                                 .
> .                                 .
> .                                 .
> xxxxxx00000...00000xxxxxx0000...000 
> 0xxxxxx00000...00000xxxxxx0000...00
> 00xxxxxx00000...00000xxxxxx0000...0
>
>I looked in Numerical Recipes with no result.
>I will appreciate any references to code/algorithms.
>
>Thanks 
> Shaul.

You may want to try SaprcePack. You can get it from Netlib. I think though, that most
of the algorithms of SparcePack are for positive-definite symmetric matrices.
Hope this help.
-Samer
Technical Details
Message-ID: <1juf4pINNgjb@srvr1.engin.umich.edu>
Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!emory!swrinde!cs.utexas.edu!zaphod.mps.ohio-state.edu!caen!takriti
References: <1993Jan21.125609.27784@rdg.dec.com>

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!ogicse!emory!swrinde!cs.utexas.edu!zaphod.mps.ohio-state.edu!caen!takriti
From: takriti@engin.umich.edu (samer Takriti)
Newsgroups: sci.math.num-analysis
Subject: Re: Help , Sparse matrix inversion
Keywords: matrix,sparse,inverse
Message-ID: <1juf4pINNgjb@srvr1.engin.umich.edu>
Date: 24 Jan 93 16:12:09 GMT
Article-I.D.: srvr1.1juf4pINNgjb
References: <1993Jan21.125609.27784@rdg.dec.com>
Distribution: world
Organization: University of Michigan Engineering, Ann Arbor
Lines: 28
NNTP-Posting-Host: fly.engin.umich.edu