Math 1b Prac Orthogonal bases, orthogonal projection January 29, 2009 expanded February 11, 2009 [This is an outline of material I want to cover before starting Chapter 4 of the text. Examples and mot
Math 1b Prac Rowspaces, nullspaces, orthogonal spaces January 23, 2009 [As usual, the notes I post on the web are sketchy and more of an outline. Some more details in class.] Subspaces of Rn arise, as
Math 1b Prac Bases for, and dimensions of, subspaces of Rm January 23, 2009 It is fundamental in linear algebra that all bases of a subspace have the same number of vectors. In these notes, we establi
Math 1b Matrix Multiplication If A has rows ai and B has columns bj , then AB has, by denition, ai bj as the entry in row i and column j . It is the matrix of dot products. Here are some simple proper
Math 1b Final Review Questions Due 3:00pm, Monday, March 9, 2009 We will discuss some of these topics on the review session Wednesday. You dont have to do all these problems; just look them over. You