From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/84816 Path: news.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: Re: functions and paths in metapost Date: Mon, 14 Oct 2013 22:56:59 +0200 Message-ID: <525C5A9B.50401@wxs.nl> References: <87mwmcqb7x.fsf@free.fr> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1381784245 22039 80.91.229.3 (14 Oct 2013 20:57:25 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 14 Oct 2013 20:57:25 +0000 (UTC) To: ntg-context@ntg.nl, Alan BRASLAU Original-X-From: ntg-context-bounces@ntg.nl Mon Oct 14 22:57:28 2013 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from balder.ntg.nl ([5.39.185.229]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VVpCh-0006Zc-Aa for gctc-ntg-context-518@m.gmane.org; Mon, 14 Oct 2013 22:57:27 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id 22C10101E8; Mon, 14 Oct 2013 22:54:45 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id xbosvN4DRu74; Mon, 14 Oct 2013 22:54:43 +0200 (CEST) Original-Received: from balder.ntg.nl (localhost [IPv6:::1]) by balder.ntg.nl (Postfix) with ESMTP id D1BBD101DE; Mon, 14 Oct 2013 22:54:42 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by balder.ntg.nl (Postfix) with ESMTP id AD644101DE for ; Mon, 14 Oct 2013 22:54:40 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at balder.ntg.nl Original-Received: from balder.ntg.nl ([127.0.0.1]) by localhost (balder.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id qkLPZR6kkksI for ; Mon, 14 Oct 2013 22:54:39 +0200 (CEST) Original-Received: from filter1-til.mf.surf.net (filter1-til.mf.surf.net [194.171.167.217]) by balder.ntg.nl (Postfix) with ESMTP id 1CF7E10193 for ; Mon, 14 Oct 2013 22:54:39 +0200 (CEST) Original-Received: from smtp.ziggozakelijk.nl (D57D1DA2.static.ziggozakelijk.nl [213.125.29.162]) by filter1-til.mf.surf.net (8.14.3/8.14.3/Debian-9.4) with ESMTP id r9EKvFXV002546 for ; Mon, 14 Oct 2013 22:57:19 +0200 X-Default-Received-SPF: pass (skip=loggedin (res=PASS)) x-ip-name=10.100.1.104; Original-Received: from [10.100.1.104] (unverified [10.100.1.104]) by pragma-net.nl (SurgeMail 6.3c2) with ESMTP id 10234-1713362 for multiple; Mon, 14 Oct 2013 22:57:08 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 In-Reply-To: <87mwmcqb7x.fsf@free.fr> X-Authenticated-User: hagen@controller-9 X-Bayes-Prob: 0.0001 (Score 0, tokens from: @@RPTN) X-CanIt-Geo: ip=213.125.29.162; country=NL; region=15; city=Zwolle; latitude=52.5058; longitude=6.0858; http://maps.google.com/maps?q=52.5058,6.0858&z=6 X-CanItPRO-Stream: uu:ntg-context@ntg.nl (inherits from uu:default, base:default) X-Canit-Stats-ID: 0RKB8VfEB - 211fbeeb5f71 - 20131014 (trained as not-spam) X-Scanned-By: CanIt (www . roaringpenguin . com) on 194.171.167.217 X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.14 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ntg-context-bounces@ntg.nl Original-Sender: ntg-context-bounces@ntg.nl Xref: news.gmane.org gmane.comp.tex.context:84816 Archived-At: On 10/14/2013 2:38 PM, Jean Magnan de Bornier wrote: > Hello all, > > Is it possible to define a path in metapost-metafun using "function"? In > the metafun manual (chapter on Functions) the examples shown are all of > the type "draw function ...". I wonder if it is possible to define a path > with a function ("picture" after draw doesn't allow that afaik)? there are some helpers in the new graph module, but Alan has to give an example % least-squares "fit" to a polynomial % % example : % % path p[] ; % numeric a[] ; a0 := 1 ; a1 := .1 ; a2 := .01 ; a3 := .001 ; a4 := 0.0001 ; % p0 := makefunctionpath(0,5,10,polynomial_function(a,4,x)) ; (it fails here so I probably misunderstand it) Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl ----------------------------------------------------------------- ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________