Linear Algebra: Matrices

 

A series of linear algebra lectures on matrices in videos by Khan Academy.

Using Matrices to Solve a System of Equations

Using the inverse of a matrix to solve a system of equations.

Using Matrices to Solve a Vector Combination Problem

Using matrices to figure out if some combination of 2 vectors can create a 3rd vector.

Singular Matrices

When and why you can't invert a matrix.