Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.graphics.apps.gnuplot > #2785

Re: Fit 3D Line to data

From Hans-Bernhard Bröker <HBBroeker@t-online.de>
Newsgroups comp.graphics.apps.gnuplot
Subject Re: Fit 3D Line to data
Date 2015-02-24 20:16 +0100
Message-ID <cl40vhFs5kkU1@mid.dfncis.de> (permalink)
References <68e9ed33-a7ef-4106-8730-151263df2011@googlegroups.com>

Show all headers | View raw


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.


Back to comp.graphics.apps.gnuplot | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


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

csiph-web