Doug Hull, MathWorks
(Originally posted on Doug's MATLAB Video Tutorials blog.)
Two minute video explains scalar and vector expansion. This helps in situations where you are adding a scalar to a matrix and shows how to expand a vector for a similar effect.
Other videos have been gathered here: https://blogs.mathworks.com/pick/category/video/ Other MATLAB Basics posts have been gathered here: https://blogs.mathworks.com/pick/category/matlab-basics/
Recorded: 29 Nov 2007