Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!weretis.net!feeder4.news.weretis.net!news.unit0.net!feeder1.cambriumusenet.nl!feed.tweaknews.nl!194.109.133.81.MISMATCH!newsfeed.xs4all.nl!newsfeed7.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.060 X-Spam-Evidence: '*H*': 0.89; '*S*': 0.01; 'scipy': 0.05; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'python': 0.11; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'wrote:': 0.16; 'discussion': 0.20; 'seems': 0.24; 'header:User- Agent:1': 0.26; 'header:X-Complaints-To:1': 0.26; 'mathematical': 0.27; 'container': 0.29; 'url:wikipedia': 0.29; 'url:wiki': 0.30; 'url:mailman': 0.31; 'url:python': 0.33; 'url:listinfo': 0.35; 'to:addr:python-list': 0.35; 'list:': 0.35; 'something': 0.35; 'url:org': 0.36; '(i.e.': 0.36; 'charset:us-ascii': 0.37; 'received:org': 0.38; 'mailing': 0.38; 'to:addr:python.org': 0.39; 'some': 0.40; 'addition': 0.60; 'simple': 0.61; '2015.': 0.66; 'received:204': 0.75; 'article': 0.77; 'examples.': 0.84; 'canonical': 0.91; 'scott': 0.93; 'notebook': 0.96 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Ned Deily Subject: Re: (unknown) Date: Sat, 20 Jun 2015 14:39:54 -0700 References: <6264c933-0ed4-4055-baad-01b322bb6dd4@Calculus-Fantasticus-2.local> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: 204.28.118.160 User-Agent: MT-NewsWatcher/3.5.3b3 (Intel Mac OS X) X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 23 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1434836411 news.xs4all.nl 2837 [2001:888:2000:d::a6]:57986 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:92919 In article <6264c933-0ed4-4055-baad-01b322bb6dd4@Calculus-Fantasticus-2.local>, Scott wrote: > We've been using a simple container implementation of a mathematical relation > (https://simple.wikipedia.org/wiki/Relation_(mathematics)) (i.e. an > invertible M:M mapping) for some time. [...] > Below is a link to an implementation, including an ipython notebook with > light exposition and some canonical examples. We'll also be presenting a > poster at SciPy 2015. Let us know if this, or something like it, seems like a > worthwhile addition to the standard Python distribution. Scott, James: The best place to have a discussion about adding new features to Python is on the python-ideas mailing list: https://mail.python.org/mailman/listinfo/python-ideas -- Ned Deily, nad@acm.org