From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14734 invoked by alias); 11 Jan 2014 01:55:41 -0000 Mailing-List: contact gsl-discuss-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gsl-discuss-owner@sourceware.org Received: (qmail 14719 invoked by uid 89); 11 Jan 2014 01:55:40 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.8 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 X-HELO: ipmx5.colorado.edu Received: from ipmx5.colorado.edu (HELO ipmx5.colorado.edu) (128.138.128.235) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sat, 11 Jan 2014 01:55:39 +0000 From: Patrick Alken Received: from 71-33-172-96.hlrn.qwest.net (HELO [192.168.0.226]) ([71.33.172.96]) by smtp.colorado.edu with ESMTP/TLS/DHE-RSA-CAMELLIA256-SHA; 10 Jan 2014 18:55:38 -0700 Message-ID: <52D0A499.20000@colorado.edu> Date: Sat, 11 Jan 2014 01:55:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: gsl-discuss@sourceware.org Subject: Re: interp2d discussion References: <520EB115.9070606@ellipsix.net> <52CF8F04.60505@ellipsix.net> <52D021B0.6080504@colorado.edu> <1475379.W4E7QPn8Ol@tom> In-Reply-To: <1475379.W4E7QPn8Ol@tom> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-SW-Source: 2014-q1/txt/msg00010.txt.bz2 On 01/10/2014 05:27 PM, jeremy theler wrote: > Hi all, > > I consider the addition of these routines to GSL as a major breakthrough. > Now I have three questions about generalization: > > 1. can these 2D interpolation routines be extended to scattered (i.e. non- > rectangular) data? Not currently, but this can always be done with least-squares models. I'm not aware of any available software that interpolates on nonuniform grids - do you know of any? > > 2. can these 2D interpolation routines be extended to n dimensions? Once the 2D code is imported I'd like to make at least a 3D linear interpolater, which should be straightforward.