From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23606 invoked by alias); 16 Oct 2003 09:37:32 -0000 Mailing-List: contact gsl-discuss-help@sources.redhat.com; run by ezmlm Precedence: bulk List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sources.redhat.com Received: (qmail 23569 invoked from network); 16 Oct 2003 09:37:30 -0000 Received: from unknown (HELO cantor.wias-berlin.de) (62.141.177.103) by sources.redhat.com with SMTP; 16 Oct 2003 09:37:30 -0000 Received: from wias-berlin.de (hilbert.wias-berlin.de [62.141.177.108]) by cantor.wias-berlin.de (8.12.10/8.12.10/wias-2.1.12) with ESMTP id h9G9bTJa259267 for ; Thu, 16 Oct 2003 11:37:29 +0200 (MEST) Message-ID: <3F8E66D9.1080107@wias-berlin.de> Date: Thu, 16 Oct 2003 09:37:00 -0000 From: Axel Hutt Organization: Weierstrass-Institute for Applied Analysis and Stochastics Berlin User-Agent: Mozilla/5.0 (X11; U; OSF1 alpha; en-US; rv:0.9.4.1) Gecko/20020517 Netscape6/6.2.3 X-Accept-Language: en-us MIME-Version: 1.0 To: gsl-discuss@sources.redhat.com Subject: Re: convolution References: <200310151601.11889.ferrigno@pa.iasf.cnr.it> <16270.24436.696457.173956@debian.local> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-SW-Source: 2003-q4/txt/msg00026.txt.bz2 Brian Gough wrote: > Carlo Ferrigno writes: > > Hello, > > > > is there any, already made, way to perform the convolution between two > > gsl_vectors in GSL ? > > There is no ready made routine, because the best choice of algorithm > is problem-dependent. (e.g. which type of fft to use) > > regards > recently, I have computed convolutions of real data in the context of a Hilbert transform by gsl_fft_real_transform and it worked well. Axel -- Dr. rer.nat. Axel Hutt Weierstraß-Institute for Applied Analysis and Stochastics Mohrenstr. 39, 10117 Berlin, Germany Tel.: +49 - (0)30 - 20372 564 Fax.: +49 - (0)30 - 2044 975 http://www.wias-berlin.de/people/hutt