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Groups > comp.lang.python > #73876

Re: 1-0.95

From Gregory Ewing <greg.ewing@canterbury.ac.nz>
Newsgroups comp.lang.python
Subject Re: 1-0.95
Date 2014-07-03 16:55 +1200
Message-ID <c1k61nF1bsU1@mid.individual.net> (permalink)
References (2 earlier) <8761jflms2.fsf@elektro.pacujo.net> <53b4509a$0$29985$c3e8da3$5496439d@news.astraweb.com> <878uobpm40.fsf@elektro.pacujo.net> <53b4bdb2$0$29985$c3e8da3$5496439d@news.astraweb.com> <46d1a4dd-8298-4a73-a383-e65cd485fa83@googlegroups.com>

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Rustom Mody wrote:
> Just as there are even some esteemed members of this list who think
> that c - a is a meaningful operation
>   where
>     c is speed of light
>     a is speed of an automobile

Indeed, it should be (c - a) / (1 - (c*a)/c**2).
Although loss of precision might give you the
right answer anyway. :-)

-- 
Greg

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Thread

1-0.95 Pedro Izecksohn <izecksohn@yahoo.com> - 2014-07-01 14:17 -0700
  Re: 1-0.95 pecore@pascolo.net - 2014-07-02 01:13 +0200
  Re: 1-0.95 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-02 15:27 +0000
    Re: 1-0.95 Marko Rauhamaa <marko@pacujo.net> - 2014-07-02 19:59 +0300
      Re: 1-0.95 Skip Montanaro <skip@pobox.com> - 2014-07-02 12:34 -0500
      Re: 1-0.95 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-02 18:34 +0000
        Re: 1-0.95 Marko Rauhamaa <marko@pacujo.net> - 2014-07-02 23:00 +0300
          Re: 1-0.95 Chris Angelico <rosuav@gmail.com> - 2014-07-03 10:16 +1000
          Re: 1-0.95 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-07-03 02:19 +0000
            Re: 1-0.95 Rustom Mody <rustompmody@gmail.com> - 2014-07-02 21:06 -0700
              Re: 1-0.95 Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2014-07-03 16:55 +1200
                Re: 1-0.95 Rustom Mody <rustompmody@gmail.com> - 2014-07-02 22:21 -0700
                Re: 1-0.95 Ian Kelly <ian.g.kelly@gmail.com> - 2014-07-02 23:50 -0600
              OT: speeds (physical, not computing) [was Re: 1-0.95] Steven D'Aprano <steve@pearwood.info> - 2014-07-03 09:15 +0000
            Re: 1-0.95 Marko Rauhamaa <marko@pacujo.net> - 2014-07-03 09:51 +0300
              Re: 1-0.95 Steven D'Aprano <steve@pearwood.info> - 2014-07-03 09:36 +0000
                Re: 1-0.95 Marko Rauhamaa <marko@pacujo.net> - 2014-07-03 14:17 +0300

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