mathr / blog / #

For when you need really big numbers without high precision.

Infinite fractal television zoom

Stress overload...

Porting rrv to OpenGL 3 for a 30x speed boost.

Comparing the measured frequency response of a room with algorithmic predictions.

Square cross-section lemniscate of Bernoulli, with a twist.

Interleaved overlap-add with five colours.

Sculpting patterns in the Mandelbrot set.

9th order polynomial is both faster and more accurate than table lookup.

pole-zero -vs- direct form 2 -vs- pure-data

Solving sparse eigensystems with Octave.

Distance estimated Newton fractal for a rational function with zeros at {1, i, -1, -i} and poles at {-2, 2}.

A grid of squares getting smaller at the edges.

gitorious.org is closing, hosting myself from now on

Adding noise improves image quality during quantization.

Borrowing the multi-resolution technique from OpenGL mipmapping.

Using 2x2 matrix diagonalisation.

An extension of atom domains to preperiodic points.

Rejecting lower preperiods instead of checking later.

Sliced rendering, improved glitch correction, reduced video memory usage, and more.

Playing Tetris optimally badly.

Custom fonts, colours, hyperlinks, and visible URLs for printing.

A shadow of the Mandelbrot set formed by periodic external rays.

Numerical investigations, hoping for a combinatorial revelation.

A selection of images from the last few years.

Big bad bugs been debugged, and nifty features added.