From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/16870 Path: main.gmane.org!not-for-mail From: Hans Hagen Newsgroups: gmane.comp.tex.context Subject: [Fwd: Where did the equal sign go?] Date: Mon, 01 Nov 2004 10:28:04 +0100 Message-ID: <418601A4.4050800@wxs.nl> Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: deer.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------000909010303070400080101" X-Trace: sea.gmane.org 1099301300 31443 80.91.229.6 (1 Nov 2004 09:28:20 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Mon, 1 Nov 2004 09:28:20 +0000 (UTC) Original-X-From: ntg-context-bounces@ntg.nl Mon Nov 01 10:28:03 2004 Return-path: Original-Received: from ronja.vet.uu.nl ([131.211.172.88] helo=ronja.ntg.nl) by deer.gmane.org with esmtp (Exim 3.35 #1 (Debian)) id 1COYTq-0007Pp-00 for ; Mon, 01 Nov 2004 10:28:02 +0100 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 964FC127A5; Mon, 1 Nov 2004 10:28:02 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (ronja.vet.uu.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 09624-01; Mon, 1 Nov 2004 10:27:58 +0100 (CET) Original-Received: from ronja.vet.uu.nl (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 828B1127A1; Mon, 1 Nov 2004 10:27:58 +0100 (CET) Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by ronja.ntg.nl (Postfix) with ESMTP id 42DAB127A1 for ; Mon, 1 Nov 2004 10:27:57 +0100 (CET) Original-Received: from ronja.ntg.nl ([127.0.0.1]) by localhost (ronja.vet.uu.nl [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 09595-04-2 for ; Mon, 1 Nov 2004 10:27:56 +0100 (CET) Original-Received: from mailrelay02.solcon.nl (unknown [212.45.32.200]) by ronja.ntg.nl (Postfix) with ESMTP id 3488C12778 for ; Mon, 1 Nov 2004 10:27:56 +0100 (CET) Original-Received: from server-1.pragma-net.nl (dsl-212-84-128-085.solcon.nl [212.84.128.85]) by mailrelay02.solcon.nl (8.12.11/SQL-8.12.11-5/8.12.11) with ESMTP id iA19RsZB015890 for ; Mon, 1 Nov 2004 10:27:54 +0100 Original-Received: by server-1.pragma-net.nl (Postfix, from userid 65534) id 6F5E918A36; Mon, 1 Nov 2004 10:27:55 +0100 (CET) Original-Received: from [10.100.1.191] (unknown [10.100.1.191]) by server-1.pragma-net.nl (Postfix) with ESMTP id 53EEF18A2F for ; Mon, 1 Nov 2004 09:27:54 +0000 (UTC) User-Agent: Mozilla Thunderbird 0.6 (Windows/20040502) X-Accept-Language: en-us, en Original-To: mailing list for ConTeXt users X-Virus-Scanned: ClamAV 0.80/540/Tue Oct 19 14:59:23 2004 clamav-milter version 0.80j on mailrelay02 X-Virus-Status: Clean X-Virus-Scanned: by amavisd-new at ntg.nl X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.5 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: ntg-context-bounces@ntg.nl Errors-To: ntg-context-bounces@ntg.nl X-Virus-Scanned: by amavisd-new at ntg.nl Xref: main.gmane.org gmane.comp.tex.context:16870 X-Report-Spam: http://spam.gmane.org/gmane.comp.tex.context:16870 This is a multi-part message in MIME format. --------------000909010303070400080101 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit -- ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl ----------------------------------------------------------------- --------------000909010303070400080101 Content-Type: message/rfc822; name="Where did the equal sign go?" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="Where did the equal sign go?" Return-Path: X-Original-To: hagen-mail@localhost.pragma-net.nl Delivered-To: hagen-mail@localhost.pragma-net.nl Received: by server-1.pragma-net.nl (Postfix, from userid 65534) id 122B118A7B; Sat, 30 Oct 2004 18:30:31 +0200 (CEST) Received: from localhost (unknown [127.0.0.1]) by server-1.pragma-net.nl (Postfix) with ESMTP id F227C18A37 for ; Sat, 30 Oct 2004 16:30:30 +0000 (UTC) Received: from pop.planet.nl by localhost with POP3 (fetchmail-6.2.1) for hagen-mail@localhost (single-drop); Sat, 30 Oct 2004 18:30:30 +0200 (CEST) Received: from smtp17.wxs.nl ([195.121.5.205]) by po09.wxs.nl (iPlanet Messaging Server 5.2 HotFix 2.02 (built Oct 21 2004)) with ESMTP id <0I6E00EBNOH2RF@po09.wxs.nl> for pragma@wxs.nl; Sat, 30 Oct 2004 18:29:26 +0200 (MEST) Received: from smtp.inreach.com (smtp.inreach.com [209.142.2.34]) by smtp17.wxs.nl (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with SMTP id <0I6E001I9OGZZ1@smtp17.wxs.nl> for pragma@wxs.nl; Sat, 30 Oct 2004 18:29:24 +0200 (CEST) Received: (qmail 2793 invoked from network); Sat, 30 Oct 2004 16:30:45 +0000 Received: from unknown (HELO newmicronpc) (209.209.15.223) by smtp.inreach.com with SMTP; Sat, 30 Oct 2004 16:30:45 +0000 Date: Sat, 30 Oct 2004 09:25:19 -0700 From: David Arnold Subject: Where did the equal sign go? X-Sender: darnold@mail.northcoast.com (Unverified) To: pragma@wxs.nl Message-id: <3.0.5.32.20041030092519.007f9e60@mail.northcoast.com> MIME-version: 1.0 X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.5 (32) Content-type: multipart/mixed; boundary="=====================_1099178719==_" Original-recipient: rfc822;pragma@wxs.nl X-Spam-Status: No, hits=-5.4 required=7.5 tests=BAYES_01 version=2.55 X-Spam-Level: X-Spam-Checker-Version: SpamAssassin 2.55 (1.174.2.19-2003-05-19-exp) --=====================_1099178719==_ Content-Type: text/plain; charset="us-ascii" Hans, This typesets (pdf) fine on my system. \starttext \subject{Unorthodox} Subtracting a scalar from a matrix or vector makes no sense mathematically. \startformula \left(\matrix{1 & 2 & 3\cr 4 & 5 & 6}\right)-1 \stopformula However, this is such a common occurrence, Matlab interprets this to mean \startformula \left(\matrix{1 & 2 & 3\cr 4 & 5 & 6}\right)-1 =\left(\matrix{0 & 1 & 2\cr 3 & 4 & 5}\right). \stopformula \stoptext However, the exact same construct in the attached file doesn't show the equal sign when viewed in Acrobat. How come? --=====================_1099178719==_ Content-Type: text/plain; charset="us-ascii" Content-Disposition: attachment; filename="slides.tex" %\showframe \setuppapersize[S6][S6] \setuplayout [width=middle, top=1cm, bottom=1cm, backspace=1cm, leftmargin=0pt, rightmargin=0pt, footer=0pt, header=0pt] \setuppagenumbering [state=stop] \setupwhitespace[medium] \setupindenting[medium] \setupbodyfont[lbr,14pt] \setupcolors[state=start] \definecolor[darkred][r=0.5, g=0.0, b=0.0] \definecolor[darkgreen][r=0.0, g=0.5, b=0.0] \setuphead [subject][color=blue] \starttext \startstandardmakeup \startcolor[darkred] \startalignment[center] \tfd Using Technology \blank \tfd in\blank \tfd Teaching Multivariable Calculus\vfill \tfb David Arnold\vfill \tfb Humboldt Mathematics Colloquium\blank \tfb\currentdate[month,year] \stopalignment \stopstandardmakeup \subject{Matlab} In order to use Matlab effectively, students must understand that Matlab's basic data structure is the matrix. \startitemize \item Entries in rows are separated by commas. \starttyping >> u=[1,2,3] u = 1 2 3 \stoptyping \item Rows are terminated by semicolons. \starttyping >> v=[1;2;3] v = 1 2 3 \stoptyping \item Row entries can also be separated by spaces. \starttyping >> A=[1 2;3 4] A = 1 2 3 4 \stoptyping \stopitemize \page \subject{The Algebra of Vectors} \startitemize \item Vectors are added element by element. \starttyping >> u=[1,2,3]; v=[4,5,6]; >> u+v ans = 5 7 9 \stoptyping \item Vectors are subtracted element by element. \starttyping >> u=[1;2;3]; v=[4;5;6]; >> u-v ans = -3 -3 -3 \stoptyping \item Scalar multiplication is performed on each element. \starttyping >> u=[7,8,9]; >> 2*u ans = 14 16 18 \stoptyping \stopitemize \page \subject{Matrices} \startitemize \item Matrices of equal size are added (or subtracted) element by element. \starttyping >> A=[1,2,3;4,5,6]; B=[1,1,1;2,2,2]; >> A+B ans = 2 3 4 6 7 8 \stoptyping \item Scalar multiplication is performed on each entry. \starttyping >> A=[1,2;3,4;5,6;7,8]; >> 2*A ans = 2 4 6 8 10 12 14 16 \stoptyping \stopitemize \page \subject{Unorthodox} Subtracting a scalar from a matrix or vector makes no sense mathematically. \startformula \left(\matrix{1 & 2 & 3\cr 4 & 5 & 6}\right)-1 \stopformula However, this is such a common occurrence, Matlab interprets this to mean \startformula \left(\matrix{1 & 2 & 3\cr 4 & 5 & 6}\right)-1=\left(\matrix{0 & 1 & 2\cr 3 & 4 & 5}\right). \stopformula \page \subject {Parametric Equations} \stoptext --=====================_1099178719==_-- --------------000909010303070400080101 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ ntg-context mailing list ntg-context@ntg.nl http://www.ntg.nl/mailman/listinfo/ntg-context --------------000909010303070400080101--