Fractals: introduction#
See also: http://www.juliasets.dk/Pictures_of_Julia_and_Mandelbrot_sets.htm
See also: http://www.3d-meier.de/, Mandelbrot und Julia Mengen
See also: http://www.dhushara.com/DarkHeart/quasif/quasi.htm (includes Kleinian fractals)
Difference Method: https://en.wikibooks.org/wiki/Fractals/Iterations_in_the_complex_plane/demm
MandelbrotSetExterior: https://en.wikibooks.org/wiki/Fractals/Iterations_in_the_complex_plane/MandelbrotSetExterior#Real_Escape_Time
Fractals/fractalzoomer: https://en.wikibooks.org/wiki/Fractals/fractalzoomer
https://en.wikipedia.org/wiki/Fractal
Barnsley’s Fern#
https://mathworld.wolfram.com/BarnsleysFern.html
https://en.wikipedia.org/wiki/Barnsley_fern
The Python code for the example below can be found online in the DataXlCalcNet repository or in the corresponding local DataXlCalcNet folder in the file D01_BarnsleyFern.py, and the XML code in the file D01_BarnsleyFern.2D.xml.
Left figure: Barnsley’s Fern, 20000 points
Right figure: Barnsley’s Fern, 100000 points
Dragon curve#
https://en.wikipedia.org/wiki/Dragon_curve
https://mathworld.wolfram.com/DragonCurve.html
The Python code for the example below can be found online in the DataXlCalcNet repository or in the corresponding local DataXlCalcNet folder in the file D02_DragonCurve.py, and the XML code in the file D02_DragonCurve.2D.xml.
Left figure: Dragon Curve, 10000 points
Right figure: Dragon Curve, 50000 points
Sierpiński carpet#
https://en.wikipedia.org/wiki/Sierpi%C5%84ski_carpet
https://mathworld.wolfram.com/SierpinskiCarpet.html
The Python code for the example below can be found online in the DataXlCalcNet repository or in the corresponding local DataXlCalcNet folder in the file D03_SierpinskiCarpet.py, and the XML code in the file D03_SierpinskiCarpet.2D.xml.
Left figure: Sierpiński carpet, \(n = 3\).
Right figure: Sierpiński carpet, \(n = 5\).



