Re: 1-0.95

X-Received	by 10.224.13.67 with SMTP id b3mr1346749qaa.2.1404364868896; Wed, 02 Jul 2014 22:21:08 -0700 (PDT)
X-Received	by 10.50.132.42 with SMTP id or10mr5147igb.10.1404364868569; Wed, 02 Jul 2014 22:21:08 -0700 (PDT)
Path	csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!enother.net!peer01.iad.highwinds-media.com!news.highwinds-media.com!feed-me.highwinds-media.com!w8no5456645qac.0!news-out.google.com!bp9ni2742igb.0!nntp.google.com!uq10no1109182igb.0!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail
Newsgroups	comp.lang.python
Date	Wed, 2 Jul 2014 22:21:07 -0700 (PDT)
In-Reply-To	<c1k61nF1bsU1@mid.individual.net>
Complaints-To	groups-abuse@google.com
Injection-Info	glegroupsg2000goo.googlegroups.com; posting-host=59.95.10.54; posting-account=mBpa7woAAAAGLEWUUKpmbxm-Quu5D8ui
NNTP-Posting-Host	59.95.10.54
References	<mailman.11388.1404254753.18130.python-list@python.org> <53b424d7$0$29985$c3e8da3$5496439d@news.astraweb.com> <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> <c1k61nF1bsU1@mid.individual.net>
User-Agent	G2/1.0
MIME-Version	1.0
Message-ID	<cd7f992b-e65f-408c-857b-32b8876852ba@googlegroups.com> (permalink)
Subject	Re: 1-0.95
From	Rustom Mody <rustompmody@gmail.com>
Injection-Date	Thu, 03 Jul 2014 05:21:08 +0000
Content-Type	text/plain; charset=UTF-8
Content-Transfer-Encoding	quoted-printable
X-Received-Bytes	2219
X-Received-Body-CRC	1936184894
Xref	csiph.com comp.lang.python:73878

Show key headers only | View raw

On Thursday, July 3, 2014 10:25:17 AM UTC+5:30, Gregory Ewing wrote:
> 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. :-)

:-)

Surprising how unfamiliar familiar equations like the Lorentz
transformation look when converted from its usual mathematicerese and
put into programmerese

I like to think unicode would help.
But I find it does not help much:

(c-a)/(1 - ca/c²)

[And I would have sworn there should be a √ somewhere?
Dont remember any of this…]

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

csiph-web