[poster]

The answer: A\A is always I, except when it isn't.

ContentsWhy A\A ?Mono-elemental matricesNonsingular matricesMono-elemental againRank deficient matricesLots of NaNsMagic squaresOddSingly evenDoubly evenPseudoinverseMy Bottom LineWhy A\A ?I have been explaining our backslash operator for almost 50 years, but I



...read more >>



More...