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Re: Example of Non-Orthogonal Coordinates

From "F. Russell" <fr@random.info>
Newsgroups sci.math
Subject Re: Example of Non-Orthogonal Coordinates
Date 2018-06-28 16:57 +0000
Organization NewsGuy.com
Message-ID <ph341b01vbu@news1.newsguy.com> (permalink)
References <ph2vbv01svn@news1.newsguy.com> <297ebd44-e77d-4742-9dac-01810b72342b@googlegroups.com>

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On Thu, 28 Jun 2018 09:45:28 -0700, Ross A. Finlayson wrote:

> 
> Polar coordinates?
>

Polar coordinates are orthogonal.  They are on the list
of Wikipedia coordinate system that I cited.

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Example of Non-Orthogonal Coordinates "F. Russell" <fr@random.info> - 2018-06-28 15:37 +0000
  Re: Example of Non-Orthogonal Coordinates "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2018-06-28 09:45 -0700
    Re: Example of Non-Orthogonal Coordinates "F. Russell" <fr@random.info> - 2018-06-28 16:57 +0000
      Re: Example of Non-Orthogonal Coordinates konyberg <konyberg@online.no> - 2018-06-28 10:27 -0700
        Re: Example of Non-Orthogonal Coordinates "F. Russell" <fr@random.info> - 2018-06-28 17:41 +0000
          Re: Example of Non-Orthogonal Coordinates konyberg <konyberg@online.no> - 2018-06-28 11:14 -0700
        Re: Example of Non-Orthogonal Coordinates "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2018-06-28 10:42 -0700
          Re: Example of Non-Orthogonal Coordinates bursejan@gmail.com - 2018-06-28 10:49 -0700
            Re: Example of Non-Orthogonal Coordinates "F. Russell" <fr@random.info> - 2018-06-28 18:10 +0000
            Re: Example of Non-Orthogonal Coordinates bursejan@gmail.com - 2018-06-28 11:12 -0700
              Re: Example of Non-Orthogonal Coordinates "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2018-06-28 12:09 -0700
                Re: Example of Non-Orthogonal Coordinates "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2018-06-28 14:05 -0700
            Re: Example of Non-Orthogonal Coordinates "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2018-06-28 11:14 -0700
      Re: Example of Non-Orthogonal Coordinates "Ross A. Finlayson" <ross.finlayson@gmail.com> - 2018-06-28 10:28 -0700
  Re: Example of Non-Orthogonal Coordinates FredJeffries <fredjeffries@gmail.com> - 2018-06-29 06:20 -0700
  Re: Example of Non-Orthogonal Coordinates Steven Carlip <carlip@physics.ucdavis.edu> - 2018-06-29 14:06 -0700

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