LU Decomposition Courses
École Polytechnique Fédérale de Lausanne via Coursera Matrix Algebra for Engineers
The Hong Kong University of Science and Technology via Coursera Linear Algebra
Massachusetts Institute of Technology via MIT OpenCourseWare Introducing Linear Algebra
YouTube Modern Linear Algebra Using Python Instead of a Textbook
YouTube Linear Algebra
The Bright Side of Mathematics via YouTube Numerical Methods
NIOS via YouTube