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Groups > sci.physics.relativity > #398593

Re: This is your guru

From Melzzzzz <mel@zzzzz.com>
Newsgroups sci.physics.relativity
Subject Re: This is your guru
Date 2016-11-16 10:52 +0100
Organization albasani.net
Message-ID <20161116105207.31ebbe9f@maxa-pc> (permalink)
References <e1398e7a-da47-4ca1-b07a-b2927fd989a9@googlegroups.com>

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On Wed, 16 Nov 2016 00:09:53 -0800 (PST)
mlwozniak@wp.pl wrote:

> > >   
> > > >     ds^2 = dx^2/x^4 + dy^2
> > > > 
> > > > ...is a square, then please write the entity it's the square
> > > > _of_. Good luck.  
> > > 
> > > So I have my answer: 2)you don't know what ds is .  
> > 
> > This is not the answer. You claimed that "ds^2" in my question was
> > a square. Just WRITE the thing this "ds^2" is the square of. Is this
> > some sort of a secret now?
> > 
> > BTW, this is now the SECOND mistake you're making (the first being
> > not answering the test question in the first place). Care to
> > continue? 
> 
> This is your guru: he screams, he waves his arms
> and he doesn't know, what a differential is.
> 
> Jan is an extreme case. But others are not much
> better. Really.

Well, following formula from wikipedia:
ds^2 = Edx^2 + 2Fdxdy+Gdy^2
E = 1/x^4, F = 0 , G = 1
and transformation tensor is:
E F
F G

so metric tensor is:
1/x^4  0
0      1

-- 
press any key to continue or any other to quit

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Thread

This is your guru mlwozniak@wp.pl - 2016-11-16 00:09 -0800
  Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 10:52 +0100
    Re: This is your guru mlwozniak@wp.pl - 2016-11-16 02:41 -0800
      Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 11:43 +0100
        Re: This is your guru mlwozniak@wp.pl - 2016-11-16 03:49 -0800
          Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 13:18 +0100
            Re: This is your guru mlwozniak@wp.pl - 2016-11-16 04:48 -0800
              Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 21:54 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:19 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 23:32 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:38 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 00:14 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-17 00:38 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 10:37 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-17 22:36 -0800
    Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-16 10:26 -0600
      Re: This is your guru Kieth Staudt <KiethS@StaudtInstitute.info> - 2016-11-16 18:12 +0000
      Re: This is your guru Melzzzzz <mel@zzzzz.com> - 2016-11-16 19:28 +0100
      Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 21:57 -0800
        Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:34 -0800
          Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 00:23 -0800
            Re: This is your guru mlwozniak@wp.pl - 2016-11-17 03:37 -0800
              Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 10:39 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-17 22:50 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 23:52 -0800
                Re: This is your guru mlwozniak@wp.pl - 2016-11-18 00:53 -0800
                Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-18 12:28 -0800
                Re: This is your guru Maciej Woźniak <mlwozniak@wp.pl> - 2016-11-19 10:07 +0100
                Re: This is your guru Marion Vanriper <Marion@Vanriper.info> - 2016-11-26 09:30 +0000
        Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-17 10:09 -0600
  Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 12:11 -0800
    Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:14 -0800
      Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-16 23:35 -0800
        Re: This is your guru mlwozniak@wp.pl - 2016-11-16 23:52 -0800
          Re: This is your guru JanPB <filmart@gmail.com> - 2016-11-17 00:25 -0800
            Re: This is your guru paparios <paparios@gmail.com> - 2016-11-17 03:59 -0800
              Re: This is your guru "Dan S. MacAbre" <no@way.com> - 2016-11-17 12:12 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-18 05:07 +0100
                Re: This is your guru "Dan S. MacAbre" <no@way.com> - 2016-11-18 10:02 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-18 22:13 +0100
                Re: This is your guru "David (Time Lord) Fuller" <fuller.david@hotmail.com> - 2016-11-18 21:46 -0800
                Re: This is your guru "Paul B. Andersen" <relativity@paulba.no> - 2016-11-19 09:30 +0100
                Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-19 10:01 -0600
                Re: This is your guru "David (Time Lord) Fuller" <fuller.david@hotmail.com> - 2016-11-19 08:07 -0800
                Re: This is your guru Norberto Haman <norberman@norberman.info> - 2016-11-19 16:37 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-20 09:37 -0800
                Re: This is your guru Norberto Haman <norberman@norberman.info> - 2016-11-20 20:32 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-20 15:54 -0800
                Re: This is your guru Maryann Tonn <libradaz@libradazert.info> - 2016-11-21 15:00 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-21 19:16 -0800
                Re: This is your guru Maryann Tonn <libradaz@libradazert.info> - 2016-11-22 10:39 +0000
                Re: This is your guru paparios <paparios@gmail.com> - 2016-11-22 03:16 -0800
                Re: This is your guru Maryann Tonn <libradaz@libradazert.info> - 2016-11-22 11:24 +0000
                Re: This is your guru Ned Latham <nedlatham@woden.valhalla.oz> - 2016-11-22 12:13 +0000
                Re: This is your guru benj <benj@nobody.net> - 2016-11-22 17:37 -0500
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-22 22:57 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 13:37 +0000
                Re: This is your guru paparios <paparios@gmail.com> - 2016-11-23 06:04 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 14:27 +0000
                Re: This is your guru paparios <paparios@gmail.com> - 2016-11-23 06:44 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 14:56 +0000
                Re: This is your guru Steven Carlip <carlip@physics.ucdavis.edu> - 2016-11-23 10:46 -0800
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-23 23:21 +0100
                Re: This is your guru Bob Goodman <bobg@boobgodman.info> - 2016-11-23 22:58 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-25 20:00 +0100
                Re: This is your guru Bernardo Dearmond <bnard@dearmond.org> - 2016-11-25 21:46 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-25 22:56 +0100
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-23 20:13 -0800
                Re: This is your guru Odd Bodkin <bodkinodd@gmail.com> - 2016-11-23 09:24 -0600
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 15:33 +0000
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-23 23:23 +0100
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-23 20:15 -0800
                Re: This is your guru Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-11-25 20:05 +0100
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-25 14:57 -0800
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 18:28 +0000
                Re: This is your guru Poutnik <poutnik4nntp@gmail.com> - 2016-11-23 19:37 +0100
                Re: This is your guru Dusty Kollman <uberdriver@uberdriver.info> - 2016-11-23 18:39 +0000
                Re: This is your guru "David (Lord Kronos) Fuller" <fuller.david@hotmail.com> - 2016-11-21 22:40 -0800
                Re: This is your guru Tom Roberts <tjroberts137@sbcglobal.net> - 2016-11-19 10:47 -0600
                Re: This is your guru Norberto Haman <norberman@norberman.info> - 2016-11-19 17:20 +0000
              Re: This is your guru mlwozniak@wp.pl - 2016-11-17 04:37 -0800

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