One of the fundamental operations in machine learning is computing the inverse of a square matrix. But not all matrices have an inverse. The most common way to check if a matrix has an inverse or not ...

A sample Raven-like matrix problem. Participants have to fill in the lower right corner of the visual matrix with one of the four alternatives by figuring out the principle of the matrix organization.

Dr. James McCaffrey of Microsoft Research guides you through a full-code, step-by-step tutorial on "one of the most important operations in machine learning." Computing the inverse of a matrix is one ...