Re: Re: successive over relaxation
- To: mathgroup at smc.vnet.net
- Subject: [mg38816] Re: [mg38802] Re: successive over relaxation
- From: Selwyn Hollis <selwynh at earthlink.net>
- Date: Tue, 14 Jan 2003 06:11:31 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
Jens, If one had a good SOR routine, it could be used as the basis for a Multigrid solver that may well outperform SparseLinearSolve on very large problems. It would be interesting to see... Cheers, Selwyn On Monday, January 13, 2003, at 04:11 AM, Jens-Peer Kuska wrote: > Hi, > > and > > Developer`SparseLinearSolve[] > > does not a better job than any SOR ?? > > Regards > Jens > > Selwyn Hollis wrote: >> >> Mike, >> >> I doubt you'll find what you're looking for. I recently spent some >> time >> trying to concoct an efficient Gauss-Seidel-SOR program in Mathematica >> and left it before getting anything I was happy with. There are >> inherent >> difficulties, I think. However, I believe it's an very interesting >> problem to find the "best" way of implementing SOR in Mathematica. >> >> ---- >> Selwyn Hollis >> >> Mike wrote: >>> Does anyone know of any sources of examples of successive over >>> relaxation >>> method using mathematica? >>> >>> I came across a link on mathsource but the notebook actually links >>> to ITPACK >>> method. I was interested in a full implementation within mathematica. >>> >>> >>> Thanks >>> >>> Mike >>> >>> >>> >