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Re: Fit 3D Line to data

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From Hans-Bernhard Bröker <HBBroeker@t-online.de>
Newsgroups comp.graphics.apps.gnuplot
Subject Re: Fit 3D Line to data
Date Tue, 24 Feb 2015 20:16:09 +0100
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Am 23.02.2015 um 07:27 schrieb Erik Zweigle:
> I am trying to fit a line to the 4 data points shown below.

That's not a well-defined task, I'm afraid.  Fitting a line to a dataset 
is reasonably well-defined in 2D, but not in 3D.

> 377.4202, -345.5518, 2.1142
> 377.4201,	-345.5505, 2.5078
> 377.4206,	-345.556, 2.8359
> 377.4288, -345.5555, 3.2109
>
> I only seem to be able to plot a plane with poor fitting.

Of course.  Those points don't even lie on any plane, much less on a 
single line.

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Thread

Fit 3D Line to data Erik Zweigle <erikzweigle@gmail.com> - 2015-02-22 22:27 -0800
  Re: Fit 3D Line to data Karl <mail.kfr@gmx.net> - 2015-02-24 10:36 +0100
  Re: Fit 3D Line to data Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2015-02-24 20:16 +0100
    Re: Fit 3D Line to data Karl <mail.kfr@gmx.net> - 2015-02-25 14:34 +0100
      Re: Fit 3D Line to data Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2015-02-25 19:25 +0100
      Re: Fit 3D Line to data Axel Berger <Axel_Berger@B.Maus.De> - 2015-02-28 03:02 +0100
        Re: Fit 3D Line to data Erik Zweigle <erikzweigle@gmail.com> - 2015-02-28 12:47 -0800
        Re: Fit 3D Line to data Karl <mail.kfr@gmx.net> - 2015-03-01 06:46 +0100
  Re: Fit 3D Line to data Gavin Buxton <gavinbuxton@gmail.com> - 2015-02-25 06:28 -0800
    Re: Fit 3D Line to data Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2015-02-25 19:38 +0100

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