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# Fibonacci Numbersby hippo2

The Fibonacci Numbers are an integer sequence, which follows the recursive relation F[n]=F[n-1]+F[n-2]. It starts with the numbers F[0]=0 and F[1]=1. The sequence was first described in western literatur by the Italian mathematician Leonardo Fibonacci of Pisa (1180-1241) but it was already known to indian mathematicians. The spiral shows the Fibonacci numbers from F[1] to F[9] placed in the Fibonacci Spiral. The Fibonacci Number often appear in nature. Spirals, like the seeds of a sunflower and daisy, are arranged in Fermat's spiral with Fibonacci numbering. Fibonacci ratios approximate the golden angle of 137.508°

Featured By Owner Apr 3, 2017  Hobbyist General Artist
Very good, man
Featured By Owner Apr 24, 2017
Glad you like it. Thank you very much.
Featured By Owner Apr 24, 2017  Hobbyist General Artist
👍
Featured By Owner Feb 16, 2014  Hobbyist Digital Artist
It's a very useful sequence, I use it on a regular basis in my work
Featured By Owner Feb 16, 2014
Featured By Owner Feb 16, 2014  Hobbyist Digital Artist
I use it for grain size measurement with picture analysis.
The sequence is good to build grain size histograms with simple integer values. I could also use logarithmic progression, but Fibonacci works better and is very easy to use and understand.
Featured By Owner Feb 16, 2014
That is interesting. I'm a maths teacher and I always look for good examples from practice.

I'd be very happy if you could explain to me, how you can use Fibonnaci or Logarithmic progression in that task.
Featured By Owner Feb 16, 2014  Hobbyist Digital Artist
I think I could send you example of the calculation sheet I use for the measurement. It will be far easier than trying to explain it with words
Do you use excel ?
Featured By Owner Feb 16, 2014
I have excel, yes. how to send it?
Featured By Owner Feb 16, 2014  Hobbyist Digital Artist
I will put the file in the sta.sh and give you the link
Featured By Owner Feb 16, 2014
ok. Send me the link per PM
Featured By Owner Dec 6, 2013
I do love the Fibonacci sequence.
Featured By Owner Dec 6, 2013
Freut mich, dass es dir gefällt.
Featured By Owner Dec 6, 2013
Nice! George Hart did a nice vid on the golden spiral: www.youtube.com/watch?v=_gxC8O…
Featured By Owner Dec 6, 2013
Thank you for the link. I like it very much.
Featured By Owner Dec 6, 2013  Hobbyist General Artist
This is nice I love fibonacci
Featured By Owner Dec 6, 2013
Schön, dass es dir gefällt. Ich sehe, du liebst Mathe auch?
Featured By Owner Dec 7, 2013  Hobbyist General Artist
Jaa :3 Mathe ist voll cool ^-^
Featured By Owner Dec 7, 2013
Kann ich verstehen. Ich habe ja Mathe studiert. Und sie macht großen Spaß. Behalte dir die Freude an der Mathematik.
Featured By Owner Dec 7, 2013  Hobbyist General Artist
Ja ^_^ Ich möchte mal theoretischer Astrophysiker werden, verharre aber derzeit noch im öden Loch der Gegenwart, langweilige 9.Klasse^^
Featured By Owner Dec 7, 2013
Dann solltest du schauen, ob du die Oberstufen an eine Schule machen kannst, die Astrophysik als Fach anbietet.
Featured By Owner Dec 7, 2013  Hobbyist General Artist
Ja, das wär schon geil
Featured By Owner Dec 7, 2013
An dieser Schule cvss.de ist Astrophysik ein ganz normales Unterrichtsfach, an stelle von normaler Physik. Du musst mal schauen, ob so etwas an den Schulen in deiner Umgebung angeboten wird. Da du in der 9. Klasse bist, musst du dich ja dieser oder nächstes Jahr entscheiden.

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December 6, 2013
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