Numerical Optimization: Understanding L-BFGS
Numerical optimization is at the core of much of machine learning. In this post, we derive the L-BFGS algorithm, commonly used in batch machine learning applications.
Computer and Computational Science
There's a divide I've noticed amongst people lumped into a "computer science" department. Compactly, I think there are computer scientists and computational scientists; the knowledge base of these groups is rapidly diverging and CS departments should do a better job catering to each's needs.