Note Set 02d: Nutshell—$\mathbf{A}\vec{x}=\vec{b}$ and the Gaussian Eliminator 9000
We go over what we've developed so far for solving $\mathbf{A}\vec{x}=\vec{b}$: the three pictures of row, matrix, and column, and how we use row operations to get things done.
Best consumed by 2016/08/31