Okay, I'm trying to create the inverse filter for a blur filter (not the usual sharpen filter). I have the forward transform matrix (taking a vector of all the pixels), and I want to invert it.

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 ...

Inverting a matrix is one of the most common tasks in data science and machine learning. In this article I explain why inverting a matrix is very difficult and present code that you can use as-is, or ...