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Re: This is your guru

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On Wed, 16 Nov 2016 03:49:41 -0800 (PST)
mlwozniak@wp.pl wrote:

> W dniu środa, 16 listopada 2016 11:43:43 UTC+1 użytkownik Melzzzzz
> napisał:
> > On Wed, 16 Nov 2016 02:41:12 -0800 (PST)
> > mlwozniak@wp.pl wrote:
> >   
> > > W dniu środa, 16 listopada 2016 10:52:09 UTC+1 użytkownik Melzzzzz
> > > napisał:  
> > > > 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    
> > > 
> > > And - does it prevent somehow ds to be the differential of s?
> > >   
> > 
> > Well strictly speaking, formula is not complete without explanation.
> > One can't surely come up with tensor without knowing original
> > formula.  
> 
> However, the thread is not about the tensor.
> It is about ds - starting from Jan's doubt
> if there is any ds in ds^2.
> 

Well, sure, ds is differential of s. It is derivation of original
formula.

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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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