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Groups > comp.graphics.apps.gnuplot > #2800
| From | Axel Berger <Axel_Berger@B.Maus.De> |
|---|---|
| Newsgroups | comp.graphics.apps.gnuplot |
| Subject | Re: Fit 3D Line to data |
| Date | 2015-02-28 03:02 +0100 |
| Message-ID | <54F121B1.43E0C8FD@B.Maus.De> (permalink) |
| References | <68e9ed33-a7ef-4106-8730-151263df2011@googlegroups.com> <cl40vhFs5kkU1@mid.dfncis.de> <mckj1t$g7a$1@news.rz.uni-karlsruhe.de> |
Karl wrote: > derive the minimum distance d(x,y,z) of a point xyz from that line, If that was what what a 2D regression did, it would be obvious how to generalise to 3D. But it doesn't. It minmizes the squares of the y-distances for given x values, which at very steep gradients is quite different from the distance between points and line. Axel
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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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