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Den gyldne spiral; Usage on el.wikipedia.org Χρυσή τομή; Usage on en.wikibooks.org User:Mateuszica~enwikibooks/God and Mathematics; Usage on en.wikiquote.org Fibonacci numbers; Usage on es.wikipedia.org Espiral dorada; Usage on et.wikipedia.org Fibonacci jada; Mustrid looduses; Usage on fa.wikipedia.org سری فوریه; بسط تیلور
Date/Time Dimensions User Comment 2006-10-05 05:08: 988×611× (12078 bytes) Dicklyon: Heavier strokes on spiral so it will show up without being so big.
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The following other wikis use this file: Usage on bs.wikipedia.org Zlatni trougao; Usage on ckb.wikipedia.org سێگۆشەی زێڕین; Usage on eo.wikipedia.org
For <, spiral-ring pattern; =, regular spiral; >, loose spiral. R is the distance of spiral starting point (0, R) to the center. R is the distance of spiral starting point (0, R) to the center. The calculated x and y have to be rotated backward by ( − θ {\displaystyle -\theta } ) for plotting.
A Fibonacci spiral approximates the golden spiral using quarter-circle arcs inscribed in squares derived from the Fibonacci sequence. A golden spiral with initial radius 1 is the locus of points of polar coordinates ( r , θ ) {\displaystyle (r,\theta )} satisfying r = φ 2 θ / π , {\displaystyle r=\varphi ^{2\theta /\pi },} where φ ...