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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 | Wed, 25 Feb 2015 19:25:40 +0100 |
| Lines | 17 |
| Message-ID | <cl6icrFhlb2U2@mid.dfncis.de> (permalink) |
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| Xref | csiph.com comp.graphics.apps.gnuplot:2789 |
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Am 25.02.2015 um 14:34 schrieb Karl: > Am 24.02.2015 um 20:16 schrieb Hans-Bernhard Bröker: >> 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. > Hm. I´d say you define the line with parameters x0,y0,z0 and two angles, > derive the minimum distance d(x,y,z) of a point xyz from that line, and > minimise that. While that's _one_ viable interpretation of the stated problem, it's far from being the only one. Which is precisely what makes the task not well-defined.
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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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