From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Neon Absentius Newsgroups: gmane.emacs.help Subject: Non-commutative symbolic multiplication in Calc Date: Tue, 6 Sep 2005 02:33:38 +0000 Message-ID: <20050906023338.GA28822@SDF.LONESTAR.ORG> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: sea.gmane.org 1125974986 6522 80.91.229.2 (6 Sep 2005 02:49:46 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 6 Sep 2005 02:49:46 +0000 (UTC) Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Tue Sep 06 04:49:36 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1ECTWX-0003nt-4P for geh-help-gnu-emacs@m.gmane.org; Tue, 06 Sep 2005 04:49:25 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ECTb0-0004S5-9l for geh-help-gnu-emacs@m.gmane.org; Mon, 05 Sep 2005 22:54:02 -0400 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1ECTaO-0004Kx-Ib for help-gnu-emacs@gnu.org; Mon, 05 Sep 2005 22:53:24 -0400 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1ECTXu-0003ng-7u for help-gnu-emacs@gnu.org; Mon, 05 Sep 2005 22:50:56 -0400 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ECTXt-0003cA-8U for help-gnu-emacs@gnu.org; Mon, 05 Sep 2005 22:50:49 -0400 Original-Received: from [192.94.73.21] (helo=sdf.lonestar.org) by monty-python.gnu.org with esmtp (Exim 4.34) id 1ECTLG-0005If-DF for help-gnu-emacs@gnu.org; Mon, 05 Sep 2005 22:37:46 -0400 Original-Received: from sdf.lonestar.org (IDENT:absent@otaku.freeshell.org [192.94.73.2]) by sdf.lonestar.org (8.13.1/8.12.10) with ESMTP id j862Xcgt001790 for ; Tue, 6 Sep 2005 02:33:38 GMT Original-Received: (from absent@localhost) by sdf.lonestar.org (8.13.1/8.12.8/Submit) id j862XcLs014901 for help-gnu-emacs@gnu.org; Tue, 6 Sep 2005 02:33:38 GMT Original-To: help-gnu-emacs@gnu.org Mail-Followup-To: Neon Absentius , help-gnu-emacs@gnu.org Content-Disposition: inline User-Agent: Mutt/1.4.2.1i X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.help:29234 Archived-At: Sorry if this is not the right list for this question. Is there a way to suspend some of the automatic simplifications that calc performs? In particular I am interested in suspending the assumption that multiplication is commutative. This would allow for symbolic calculations with entities that are not necessarily numbers or elements of some vector space. Thanks -- Most precious among the relics remaining of Peter's skeleton in the Vatican are 29 fragments of one of his skulls. (St. Peter's other skull is preserved in a reliquary at the Cathedral of St. John Lateran.) -- Frank R. Zindler, "Of Bones and Boners"