Sparse representation of information provides a powerful means to perform feature extraction on high-dimensional data and is of broad interest for applications in signal processing, computer vision, ...

I ran into a bit of a roadblock trying to code a program to perform simple matrix operations. The catch was that I wanted to be able to let the user specify the dimension of the matrices on the fly.

For those who don’t have a Computer Science background, computer programs might seem like far-fetched wizardry. When I took my first Duke CS course, Data Structures & Algorithms, I also had a ...