Path: csiph.com!usenet.pasdenom.info!aioe.org!news.stack.nl!newsfeed.xs4all.nl!newsfeed1.news.xs4all.nl!xs4all!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 0.071 X-Spam-Evidence: '*H*': 0.91; '*S*': 0.05; 'root': 0.05; 'subject:Python': 0.06; 'earliest': 0.09; 'terms,': 0.09; 'python': 0.11; 'from:addr:rosuav': 0.16; 'from:name:chris angelico': 0.16; 'numbers;': 0.16; 'roy': 0.16; 'wrote:': 0.18; 'please?': 0.24; "i've": 0.25; 'am,': 0.29; 'message- id:@mail.gmail.com': 0.30; 'this.': 0.32; 'fri,': 0.33; 'maybe': 0.34; 'subject: (': 0.35; 'agree': 0.35; 'received:google.com': 0.35; 'to:addr:python-list': 0.38; 'to:addr:python.org': 0.39; 'called': 0.40; 'even': 0.60; 'numbers': 0.61; 'smith': 0.68; 'square': 0.74; 'discovered': 0.83; 'from.': 0.93; 'taught': 0.96; '2013': 0.98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=geL6gx9zCLSiv7K9Jfj7EY/ywOJGoLSUGtdDOb86OUY=; b=sJcl1/NWnFaj9aWDZrflVLy7sGjCrvjmK4AZp9z1AXk7tsvvkRpgsPyfxnnDtpZnbY soHfoeAOFF2Hmr03/rxL1StexC4pjgrdeQzW8oMWmtfdPxk+8KVwe/1tLxvVFyEDpg3L gdCxQD006B0AJfeTyGzUj2w+MllRTUtSo7DhMMFslIzq2OyxN7MnZFEZ6QGm04FT9BVt YzhDN5CSxCKfRZN2hNth9Qp9selR4zf4zagdwoxkAvTYy+Sx4opTz3ivw7T4Of4o0I/l vFIZh/iBHfubbGU3N/mwk7WPO6srB+OVWolCYT3zcpHBXs+r9f2wkZlhcBuiM1VZ+u5j BBOg== MIME-Version: 1.0 X-Received: by 10.66.157.165 with SMTP id wn5mr9322584pab.169.1381411527608; Thu, 10 Oct 2013 06:25:27 -0700 (PDT) Date: Fri, 11 Oct 2013 00:25:27 +1100 Subject: Complex literals (was Re: I am never going to complain about Python again) From: Chris Angelico To: python-list@python.org Content-Type: text/plain; charset=ISO-8859-1 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 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: 12 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1381411535 news.xs4all.nl 15934 [2001:888:2000:d::a6]:50059 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:56566 On Fri, Oct 11, 2013 at 12:09 AM, Roy Smith wrote: > BTW, one of the earliest things that turned me on to Python was when I > discovered that it uses j as the imaginary unit, not i. All > right-thinking people will agree with me on this. I've never been well-up on complex numbers; can you elaborate on this, please? All I know is that I was taught that the square root of -1 is called i, and that hypercomplex numbers include i, j, k, and maybe even other terms, and I never understood where j comes from. Why is Python better for using j? ChrisA