I also really liked this explanation: http://setosa.io/ev/eigenvectors-and-eigenvalues/ http://setosa.io/ev/eigenvectors-and-eigenvalues/ You can drag things a

I also really liked this explanation: http://setosa.io/ev/eigenvectors-and-eigenvalues/ http://setosa.io/ev/eigenvectors-and-eigenvalues/ You can drag things around and change values -- if you're a visual learner, it really helps grasp things like this.