Iterates for the Mandelbrot Set

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The Mandelbrot set is the set of numbers in the complex plane for which the map
remains finite for all
, where
. If
the sequence does not converge. In the graph, the path taken by the iterations is traced until Abs
. The Mandelbrot set is displayed in the background with the colors indicating the first
for which
.
Contributed by: Felipe Dimer de Oliveira (March 2011)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The background figure was generated by a density plot of the number of iterations it takes for the map to satisfy with a maximum number of iterations set to 100. In the figures above, from top to bottom:
is chosen so the map satisfies
for all
, for
(light blue region), and for
.
Reference: T. W. Gamelin, Complex Analysis, New York: Springer–Verlag, 2001.
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