Gilbert Strang's Linear Algebra course is often recommended, but I also recommend a set of lectures on YouTube from Technion with Aviv Censor: https://www.youtu

Gilbert Strang's Linear Algebra course is often recommended, but I also recommend a set of lectures on YouTube from Technion with Aviv Censor: https://www.youtube.com/watch?v=aefKXYYXT6I&list=PLW3u28VuDAHJNrf3JCgT0GG_rjFVz0-j9 https://www.youtube.com/watch?v=aefKXYYXT6I&list=PLW3u28VuDA... since it's very beginner friendly and there's a lot of step-by-step explanation.