Path: csiph.com!fu-berlin.de!uni-berlin.de!not-for-mail From: =?UTF-8?Q?Andreas_R=c3=b6hler?= Newsgroups: comp.lang.python Subject: Re: Can math.atan2 return INF? Date: Thu, 30 Jun 2016 12:11:51 +0200 Lines: 22 Message-ID: References: <57697e61$0$1590$c3e8da3$5496439d@news.astraweb.com> <1mp7m3g.picev12e77h4N%pdorange@pas-de-pub-merci.mac.com> <5769ec12$0$1610$c3e8da3$5496439d@news.astraweb.com> <87d1n9kzk9.fsf@bsb.me.uk> <1mp9e9m.s25gk61k28dhhN%pdorange@pas-de-pub-merci.mac.com> <87inx1janx.fsf@bsb.me.uk> <576b5eb4$0$1595$c3e8da3$5496439d@news.astraweb.com> <576b8576$0$1510$c3e8da3$5496439d@news.astraweb.com> <877fdgj7f4.fsf@bsb.me.uk> <576c1207$0$1597$c3e8da3$5496439d@news.astraweb.com> <1mpb97o.f86qm9eqx9uyN%pdorange@pas-de-pub-merci.mac.com> <87shw3es70.fsf@elektro.pacujo.net> <57739650$0$1601$c3e8da3$5496439d@news.astraweb.com> <87mvm4uux1.fsf@elektro.pacujo.net> <5774d75d$0$1617$c3e8da3$5496439d@news.astraweb.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: news.uni-berlin.de jVBzkO3rYWldgMf51jaBMAJ77B3SGHTFcEagW7Uzt9oQ== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.055 X-Spam-Evidence: '*H*': 0.89; '*S*': 0.00; 'inspired': 0.05; 'received:192.168.178': 0.07; 'received:212.227.126': 0.09; 'assume': 0.11; '2016': 0.16; 'inspire': 0.16; 'real.': 0.16; 'received:io': 0.16; 'received:psf.io': 0.16; 'relevance': 0.16; 'wrote:': 0.16; 'math': 0.20; 'exists.': 0.22; 'header:In-Reply- To:1': 0.24; 'header:User-Agent:1': 0.26; 'example': 0.26; 'exists,': 0.29; 'forces': 0.29; "d'aprano": 0.33; 'steven': 0.33; 'solving': 0.35; 'express': 0.35; 'but': 0.36; 'to:addr:python- list': 0.36; 'subject:?': 0.36; 'subject:: ': 0.37; 'received:192': 0.39; 'to:addr:python.org': 0.40; 'received:de': 0.40; 'field': 0.60; 'term': 0.60; 'real': 0.62; 'world': 0.64; 'physics': 0.66; 'thursday': 0.66; 'natural': 0.67; 'reading,': 0.84; 'relations,': 0.84; 'emotional': 0.91; 'misleading': 0.91 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:45.0) Gecko/20100101 Icedove/45.1.0 In-Reply-To: <5774d75d$0$1617$c3e8da3$5496439d@news.astraweb.com> X-Provags-ID: V03:K0:oMhkNmhhbZOtCc5Dbf3BqUfRLwFXFxQnAHufnAL+e1alYeyjHAW hhmAFUJbItUENJqMWCYq2g1qZNMrmtR3Aq1SfacfJsYLEZdPGTwC9ZldKw1CK8VJ7/m6OXF 8vfvArqlsNqZYt809yGEvZQ5fzYgZlsg54H25Hdyipc21iyJLQBkX31UnNg1gN9qR8GPUN6 bRk40Zgqr33EsppnRODOg== X-UI-Out-Filterresults: notjunk:1;V01:K0:klCx37fTooI=:nv0fuOgDQckeBFEYMs7o5i /7Et9GU1nGUCtXQTcOLNb6ox5cUcfaorEpNt4yCMdGWfQ0otUrxXQb912MUk5qvkmITP/EP0G HvEl4aJbwyp1c9vzIE1Zx/wRI1NflJWqU+9oPAdQK+ovfh/yhY/PMH13tXQMmwe4GK7VDBvQe MFm1FxWfjHvyAFJSag/XIBKmAbpEm19xSKWQMcJ7yqvsZNAsOOkiOdEm+i8kIXu+lweOudGD9 eTRSE3tOTP/91MiBzdfvzdzif5RXMX7UXhkYsKaY2daAFXttZOrERAPZSxZV+vazsDhzJfK3p Eb8NT2n3jkwrq3Hr0NXlyLYd7b6M43Qnz8qqXyU2eJj9x2d8g9i2/A8BsuNBnkDaSDIUIriEF tUZQKBpJCIiy6c8wx4caP8SQ6cAvJn4rY0n3setnTXnPHltNnGGjOPXYxAONbo7PZyEWrDUaH hqOnmuP88k7fZngiLIf6lR07Q+5pk9jwtpnpYLLrTyyyoIjqTPx9CZEIeWJBGKsGf/l6/RaqY /qczYzrwBZuHZ8e+M6A3N+S/efzDyc9MdtUSPJOasPPaQRs9KCoMSS8zkHzLPw4xHIwO19UuT YxVazIgBr4BO2bjrd0NbAKFDxeyxjNMXC+tpjEyDYGP9Y/aw9fekSWxEKeJMvCL9lJbC6ncVK 6L4XrBZqtnNl0bWhCGslecIrA8rbp3Ei/S8BhVfNvsYQ5PDyMn07fX7MpuMxchWwr0oDXGhFE GIapmSwXuAQXxijs X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: X-Mailman-Original-References: <57697e61$0$1590$c3e8da3$5496439d@news.astraweb.com> <1mp7m3g.picev12e77h4N%pdorange@pas-de-pub-merci.mac.com> <5769ec12$0$1610$c3e8da3$5496439d@news.astraweb.com> <87d1n9kzk9.fsf@bsb.me.uk> <1mp9e9m.s25gk61k28dhhN%pdorange@pas-de-pub-merci.mac.com> <87inx1janx.fsf@bsb.me.uk> <576b5eb4$0$1595$c3e8da3$5496439d@news.astraweb.com> <576b8576$0$1510$c3e8da3$5496439d@news.astraweb.com> <877fdgj7f4.fsf@bsb.me.uk> <576c1207$0$1597$c3e8da3$5496439d@news.astraweb.com> <1mpb97o.f86qm9eqx9uyN%pdorange@pas-de-pub-merci.mac.com> <87shw3es70.fsf@elektro.pacujo.net> <57739650$0$1601$c3e8da3$5496439d@news.astraweb.com> <87mvm4uux1.fsf@elektro.pacujo.net> <5774d75d$0$1617$c3e8da3$5496439d@news.astraweb.com> Xref: csiph.com comp.lang.python:110836 On 30.06.2016 10:24, Steven D'Aprano wrote: > On Thursday 30 June 2016 12:13, Rustom Mody wrote: > > > The irrational and emotional psychological forces that inspire mathematicians > can make interesting reading, but they have no relevance in deciding who is > write or wrong. Hmm, so math is not inspired by solving real world problems, for example in physics or big-data? > No numbers are real. Numbers express relations, which are represented as symbols. So far they are real, as math exists, the human mind exists. We don't have any natural numbers, assume Kronecker made a joke. "Natural numbers" is the most misleading term in the field maybe.