Solving systems of first-order ODEs like a baller
some ballin' tips and tricks
Shortcuts for Finding Eigenvalues and Eigenvectors
diagonalization speedrun, let's go
Easily Solving Autonomous IVPs Off the Origin
Easily solving linear homogeneous constant coefficient initial problems when the initial point is not t=0
Introduction to Least Squares
How to find the best solution for an inconsistent system
Finding Taylor Series of Polynomials Using Synthetic Division
Wait you can do that? YUP