From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by yquem.inria.fr (Postfix) with ESMTP id 816E8BB9A for ; Wed, 26 Oct 2005 09:09:11 +0200 (CEST) Received: from pauillac.inria.fr (pauillac.inria.fr [128.93.11.35]) by concorde.inria.fr (8.13.0/8.13.0) with ESMTP id j9Q79AIf007708 for ; Wed, 26 Oct 2005 09:09:11 +0200 Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id JAA07965 for ; Wed, 26 Oct 2005 09:09:10 +0200 (MET DST) Received: from mail.physik.uni-muenchen.de (mail.physik.uni-muenchen.de [192.54.42.129]) by concorde.inria.fr (8.13.0/8.13.0) with ESMTP id j9Q799wA007705 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Wed, 26 Oct 2005 09:09:10 +0200 Received: from localhost (unknown [127.0.0.1]) by mail.physik.uni-muenchen.de (Postfix) with ESMTP id 39A9020057; Wed, 26 Oct 2005 09:09:09 +0200 (CEST) Received: from mail.physik.uni-muenchen.de ([127.0.0.1]) by localhost (mail.physik.uni-muenchen.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 05957-04-80; Wed, 26 Oct 2005 09:09:09 +0200 (CEST) Received: from mailhost.cip.physik.uni-muenchen.de (kaiser.cip.physik.uni-muenchen.de [141.84.136.1]) by mail.physik.uni-muenchen.de (Postfix) with ESMTP id 1A40220049; Wed, 26 Oct 2005 09:09:05 +0200 (CEST) Received: from eiger.cip.physik.uni-muenchen.de (eiger.cip.physik.uni-muenchen.de [141.84.136.54]) by mailhost.cip.physik.uni-muenchen.de (Postfix) with ESMTP id 8A0C026F4B; Wed, 26 Oct 2005 00:31:41 +0200 (CEST) Received: by eiger.cip.physik.uni-muenchen.de (Postfix, from userid 3092) id CA2F612F75; Wed, 26 Oct 2005 00:31:37 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by eiger.cip.physik.uni-muenchen.de (Postfix) with ESMTP id C0E5A12ECC; Wed, 26 Oct 2005 00:31:37 +0200 (CEST) Date: Wed, 26 Oct 2005 00:31:37 +0200 (CEST) From: Thomas Fischbacher To: Oliver Bandel Cc: caml-list@inria.fr Subject: Re: [Caml-list] Matrix operations in OCaml? In-Reply-To: <20051025183737.GA565@first.in-berlin.de> Message-ID: References: <20051025183737.GA565@first.in-berlin.de> X-BOFH: Daemons did it MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Virus-Scanned: amavisd-new at physik.uni-muenchen.de X-Miltered: at concorde with ID 435F2B97.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Miltered: at concorde with ID 435F2B95.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; caml-list:01 ocaml:01 oliver:01 bandel:01 ocaml:01 matrices:01 algebra:01 algebra:01 lapack:01 blas:01 inverting:01 matrices:01 2005,:98 cip:98 cip:98 X-Spam-Checker-Version: SpamAssassin 3.0.3 (2005-04-27) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.0.3 On Tue, 25 Oct 2005, Oliver Bandel wrote: > Hello, > > on OCaml linkdb and on the Hump I didn't found > libraries to work on matrices/matrix's, so > to have a library to do linear algebra > calcualtions. > > Is there something like that or do I have to > implement it by my own? Depends on what you want to do: * Large, parallel sparse matrix calculations (MPI and such) * Efficient single-machine large linear algebra (lapack/blas) * "Just Inverting 4x4 matrices" and such There are solutions for all those situations. -- regards, tf@cip.physik.uni-muenchen.de (o_ Thomas Fischbacher - http://www.cip.physik.uni-muenchen.de/~tf //\ (lambda (n) ((lambda (p q r) (p p q r)) (lambda (g x y) V_/_ (if (= x 0) y (g g (- x 1) (* x y)))) n 1)) (Debian GNU)