lecture12: Fractals, and wavelets + non-standard sampling
NB: not examinable
http://mathworld.wolfram.com/KochSnowflake.html
http://astronomy.swin.edu.au/~pbourke/fractals/
http://www.iemar.tuwien.ac.at/modul23/Fractals/subpages/33IFS.html
http://aleph0.clarku.edu/~djoyce/julia/julia.html
http://www.softsource.com/softsource/fractal.html
http://www.cubinlab.ee.mu.oz.au/~darryl/secondorder_code.html/
http://obswww.unige.ch/~eyer/