Re: Matrices
- To: mathgroup at smc.vnet.net
- Subject: [mg32796] Re: Matrices
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Tue, 12 Feb 2002 06:23:50 -0500 (EST)
- Organization: Universitaet Leipzig
- References: <a4041e$bos$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, lucifer smiles wrote: > > hi > i am working on distributed computing. i have 2 problems to > implement.. > > 1. can inversing a big matrix say [5000][5000] , be distributed to > various machines?..i split my matrix to LU , but haven't been able to > go further than that? any suggestions or any refernce material or > links? If you have the LU decomposition you are done ? What else do you whant to do -- solve it for IndentityMatrix[5000] ? In the most cases the inverse is not needed -- only the solution for a few number of right hand sides must be found and iterative solvers make a good job on it. > 2. Planning to implement for fast fourier transform(FFT). i have got > tons of material but most of it so abstract or vague.most of the links > have some kind of algorithm etc but i haven't read, for this data, we > implement and so and so. could pls help me in giving me refernces or > materials , so i can get off the ground. Do you think, you can do a better job than Fourier[] and http://www.fftw.org/ ? Good luck ! Regards Jens