Jan 6: Course introduction. Systems of linear equations. 
Elementary row operations. 
Jan 8: Echelon forms. Row reduction. Parametric descriptions 
of solution sets. 
Tutorial: no tutorial this week.
Jan 13: Existence and uniqueness questions. Vector equations.
Jan 15: Vector equations (cont). Linear combinations. Spans.
Tutorial: Examples of systems of linear equations.
Jan 20: The matrix equation Ax = b. Existence of solutions. 
Solution sets of linear systems. 
Jan 22: Comments about term test #1. Homogeneous and 
nonhomogeneous systems. Linear independence. 
 Tutorial: Test #1. 
Jan 27: Linear independence (cont). Transformations. 
Jan 31: Linear transformations. 
Tutorial: Examples of linear independence.
To February lectures.