New: Section VM, Vandermonde Matrix
New: Section SAS, Sharing a Secret
New: Section CF, Curve Fitting (in-progress)
Change: Moved Section PSM out of Matrix Decompositions chapter
Typo: Corrected typo in T.SOL.T30 (Andy Zimmer)
Typo: LISS.SS, color mixing analogy, changed "yellow" to "green" (Tate Urio)
Typo: Theorem COB, set T relabeled correctly to B (proof improved also)

New: Section SR, Square Root
New: Section POD, Polar Decomposition
New: Section SVD, Singular Value Decomposition
New: Added discussion of unitary matrices as isometries (Section OD)
New: Exercise PEE.T22
Change: Renamed Theorem GSP as Theorem GSPCV (Gram-Schmidt Procedure)
Change: Relabeled unitary matrices (from Q to U) in Section MINM
Section T, Trace (nee Section TM) in draft form
Chapter MD, Matrix Decompositions, outline is complete, all sections in draft form