April 9, 2014: Ghostly Attractor | April 8 | April 10 | 2014 | FOTD Home |
Fractal
visionaries
and enthusiasts:
Today we return to a type of fractal I was working with quite a few
years ago. The image is a scene in a perturbed Z^2+C
Mandelbrot
set. It is located at the edge of the inside of a minor bud
on
the southwest shore line of the main bay.
The half obscured blue and white buds in the background are actually
part of the classic M-set itself. The reddish spiral arms in
the
foreground are the trails of points that have escaped before being
trapped in the remnants of the buds.
What we have here is a demonstration that the points in a perturbed
M-set, if they do not escape first, will ultimately fall into the same
orbits as points that originate at 0,0. The points in today's
image for example originate at 0.7,0.2.
I named the image "Ghostly Attractor" because of the ghost buds and
also because despite my skeptical nature, I find ghosts quite
interesting and not at all unlikely to be 'real'.
The art rates a 7, since the image is not all that great. The
math rates a 4. After all, how unique can the math of the
Mandelbrot set be at this point of the fractal era.
The calculation time of just under 2 minutes is slow for a scene in the
Mandelbrot set. The culprit is the maxiter of 250000, which
slows
things down in the lower part of the image, but this maxiter was
necessary to get full definition in the ghost buds. The web
sites
can greatly cut the length of the wait to see the image however.
Today here at Fractal Central, which is the almost-real central
headquarters of the FOTD, spring gave signs that it was finally ready
to arrive. The brilliant sun, gentle winds, puffy white
clouds
and temperature of 61F 16C was just what any doctor would have
ordered. The fractal cats soaked up all the sun they could
find,
and chased each other up and down the hallway when the sun was at the
wrong angle, while the fractal humans made the most of the pleasant
conditions.
The next FOTD will be posted before too long. Until that
moment
of truth arrives, take care, and try to avoid the cognitive instability
that arises when we assume something that undermines the argument that
justified our assumption in the first place.
Jim Muth
jimmuth@earthlink.net
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