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Groups > sci.physics.relativity > #369413

Re: modified EFE

From Open Collector <openc@opencollector.org>
Newsgroups sci.physics.relativity
Subject Re: modified EFE
Date 2015-11-09 00:20 +0000
Organization Open Collector Inc.
Message-ID <n1oorm$mnn$1@speranza.aioe.org> (permalink)
References <d722a3b5-0672-435c-a2a3-0b2b3a35604d@googlegroups.com> <1b78434c-4d15-41c1-86ef-d86c08c580db@googlegroups.com> <3f4e74ef-cc23-4f26-aef6-19abf22a890c@googlegroups.com> <ba2576ee-b7e6-4a75-ba58-a9c52f926522@googlegroups.com>

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John Gogo wrote:

>> > That should be no sweat since control system engineers have been
>> > dealing with matrices long before the self-styled physicists
>> > discovered matrices and decided to call them tensors instead. 
>> > <shrug>
>> 
>> Tensors are not matrices. Tensors are multilinear maps, matrices are
>> tables of numbers. A tensor can be represented by a table of numbers
>> only when a basis of the relevant vector space has been selected.
> 
> This is a good post.

Where, and why? He is also wrong. Tensors are more then what he thinks 
they are. What do you think they are?

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Thread

modified EFE chemguy <doulting@shaw.ca> - 2015-11-04 13:48 -0800
  Re: modified EFE Tom Roberts <tjroberts137@sbcglobal.net> - 2015-11-05 12:39 -0600
    Re: modified EFE chemguy <doulting@shaw.ca> - 2015-11-05 16:03 -0800
  Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-06 13:01 -0800
    Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-06 14:16 -0800
      Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-06 23:37 -0800
      Re: modified EFE Edgardo Alcantara <edgardoalcantara@carosseryrepair.org> - 2015-11-07 13:08 +0000
      Re: modified EFE John Gogo <jfgogo22@yahoo.com> - 2015-11-08 16:06 -0800
        Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-09 00:20 +0000
          Re: modified EFE John Gogo <jfgogo22@yahoo.com> - 2015-11-08 16:37 -0800
            Re: modified EFE John Gogo <jfgogo22@yahoo.com> - 2015-11-08 16:39 -0800
              Re: modified EFE John Gogo <jfgogo22@yahoo.com> - 2015-11-08 16:49 -0800
          Re: modified EFE Tom Roberts <tjroberts137@sbcglobal.net> - 2015-11-09 12:28 -0600
            Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-09 18:55 +0000
              Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-09 11:58 -0800
                Re: modified EFE Maciej Woźniak <mlwozniak@wp.pl> - 2015-11-09 21:10 +0100
                Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-09 20:14 +0000
                Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-09 12:56 -0800
                Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-09 21:08 +0000
                Re: modified EFE kefischer <emoneyjoe@iglou.com> - 2015-11-09 16:42 -0500
                Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-09 22:45 +0000
                Re: modified EFE kefischer <emoneyjoe@iglou.com> - 2015-11-09 18:17 -0500
                Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-10 15:06 +0000
                Re: modified EFE Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2015-11-10 16:41 +0100
                Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-10 16:24 +0000
                Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-09 15:04 -0800
                Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-09 13:23 -0800
                Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-09 15:06 -0800
              Re: modified EFE kefischer <emoneyjoe@iglou.com> - 2015-11-09 16:33 -0500
                Re: modified EFE Open Collector <openc@opencollector.org> - 2015-11-09 21:50 +0000
            Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-09 13:19 -0800
              Re: modified EFE kefischer <emoneyjoe@iglou.com> - 2015-11-09 16:47 -0500
            Re: modified EFE John Gogo <jfgogo22@yahoo.com> - 2015-11-09 19:16 -0800
              Re: modified EFE John Gogo <jfgogo22@yahoo.com> - 2015-11-09 19:24 -0800
                Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-09 20:27 -0800
              Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-09 20:26 -0800
                Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-10 00:30 -0800
                Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-10 12:03 -0800
                Re: modified EFE Ludwig Böhm <ludwb@widespectrum.com> - 2015-11-10 21:55 +0000
                Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-10 16:11 -0800
                Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-10 20:50 -0800
                Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-11 17:04 -0800
                Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-11 18:41 -0800
                Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-12 21:26 -0800
                Re: modified EFE Odd Bodkin <bodkinodd@gmail.com> - 2015-11-10 15:07 -0600
                Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-10 16:20 -0800
                Re: modified EFE Odd Bodkin <bodkinodd@gmail.com> - 2015-11-10 19:35 -0600
              Re: modified EFE Tom Roberts <tjroberts137@sbcglobal.net> - 2015-11-09 22:45 -0600
                Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-10 00:22 -0800
      Re: modified EFE Ludwig Böhm <ludwb@widespectrum.com> - 2015-11-12 00:12 +0000
        Re: modified EFE JanPB <filmart@gmail.com> - 2015-11-11 18:41 -0800
    Re: modified EFE Alan Folmsbee <omnilobe@gmail.com> - 2015-11-06 14:48 -0800
      Re: modified EFE Koobee Wublee <koobee.wublee@gmail.com> - 2015-11-06 23:57 -0800

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