Definition of an inner and outer product of two column vectors.
Complete Playlist: https://www.youtube.com/playlist?list=PL_h1k2DY0Uk-T_tA0CNgDK3SrnE-PKf2T
Note: https://github.com/mukherjeekoushiklearning/Matrix-Algebra-for-Beginners-/blob/main/Tutorial%205.pdf
