(source: Singular value decomposition and principal component analysis)
Showing that an eigenbasis makes for good coordinate systems | Linear Algebra | Khan Academy
AMATH 301 - Lecture: The Singular Value Decomposition (SVD)
MIT OpenCourseWare - Singular Value Decomposition (the SVD)
Computing the Singular Value Decomposition | MIT 18.06SC Linear Algebra, Fall 2011