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 ...

In my Linear Algebra class we use a lot of MATLAB-- including on our timed tests and all throughout our class meetings. I want to stress to students that using professional-grade technological tools ...

A well-known problem in numerical ecology is how to recombine presence-absence matrices without altering row and column totals. A few solutions have been proposed, but all of them present some issues ...