Red Butterfly

[SamTiba]

Another Julia-set.
It may look a bit weird for a fractal.
I think it really is aswell!
This time we have a abs2, log and tan function involved linked into each other with a few polynoms.

The small circles and interferences occur from the tan-function.
The multivalued log-function is the reason for the very strangly-shaped julia-set (in blue and also between the dark and light parts of the Julia-set).

I am going to write more on the math and numerical approach soon.

http://www.fractalforums.com/index.php?action=gallery;sa=view;id=19973

[Dinkydau]

Nice