My recent obsession with cubes in this blog has led me back to Rubik's cube, perhaps the greatest mathematical puzzle of all time.... 続きを読む >>

The complement of an evolving Menger sponge is all of the material that has been removed so far.... 続きを読む >>

On a recent visit to Ann Arbor, I met ten-year old Eden Rajapakse. Here is her sketch of the L-shaped membrane. Download Live... 続きを読む >>

The Menger sponge is a popular fractal that generalizes Cantor sets and Sierpinski triangles. Its fractal dimension is between two and three.... 続きを読む >>

Matrices in action.... 続きを読む >>

See Cube and Teapot.... 続きを読む >>

Use a cube instead of the Utah Teapot in my previous post. I was pleasantly suprised by the final screen shot.... 続きを読む >>

What do Mount St. Helens and the rank of a matrix have in common? The answer is the MATLAB function peaks. Let me explain. Please bear with me -- it's a long story.... 続きを読む >>

I want to share some colorful images featuring the seven colors in the MATLAB axes color order.... 続きを読む >>

Lots of tiny bubbles.... 続きを読む >>