https://peeterjoot.com/2014/10/21/ece1254h-modeling-of-multiphysics-systems-lecture-7-sparse-factorization-and-iterative-methods-taught-by-prof-piero-triverio/
ECE1254H Modeling of Multiphysics Systems. Lecture 7: Sparse factorization and iterative methods. Taught by Prof. Piero Triverio