FERN is a MATLAB program which uses MATLAB graphics to display the Barnsley fractal fern.
fern ( point_num )where
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
FERN is available in a C++ version and a MATLAB version.
MANDELBROT, a MATLAB program which generates an ASCII PPM image of the Mandelbrot set;
RANMAP, a FORTRAN90 program which creates PostScript images of iterated affine mappings, including the Barnsley fractal fern and the Levy dragon.
You can go up one level to the MATLAB source codes.