AI Tools The Geometry Behind the Dot Product: Unit Vectors, Projections, and Intuition This article is the first of three parts. Each part stands on its own, so you don’t need to read…
AI Tools Linear Regression Is Actually a Projection Problem (Part 2: From Projections to Predictions) think that linear regression is about fitting a line to data. But mathematically, that’s not what it’s doing. It is…
