Math 201

Spring 2017, Sections 01 and 02
Instructor: David Perkinson (schedule)
General info: Course description, office hours, grading, etc.
Text: Linear Algebra, by Jim Hefferon
Handouts: mathematical writing
LaTeX: getting started; Sage: getting started
Math 201 study sessions: Monday and Thursday nights, 7–8pm, L204.
General drop-in tutoring: SMTWTh, 7–9 pm, L389.

This week
☛ Monday ☚
Row rank = column rank; dimension of solution space.
Homework due Monday
  • Reading: Chapter Two, III.3.
  • Practice problems: 3.17, 3.20, 3.21, 3.23, 3.29.
  • Turn in by 2 pm on Tuesday in the folder outside my office: H04T (tex file: H04T.tex).

    ☛Wednesday☚
    Linear transformations.
    Homework due Wednesday
    • Reading: Chapter Three, II.1.
    • Practice problems: TBA
    ☛ Friday ☚
    TBA
    Homework due Friday
    • Reading: TBA
    • Practice problems: TBA
    • Turn in: Midterm 1 due at the beginning of class. To review for the midterm, please read through all of the lecture notes up through and including last Monday's, and review the homework problems given up through last Friday—the solutions are available through our moodle. The midterm is closed-book/computers/etc. You should not consult others about your solutions. You have two hours to complete it once you have started.

Previous classes

Week 1
☛ Monday ☚
Solving systems of linear equations.
Homework due Monday
  • Reading: Chapter One, Sections I and III.
  • Practice problems: Chapter One, Section I: 1.17, 1.22, 1.27, 1.37 (challenge).
☛ Wednesday ☚
Reduced row echelon form. Wikipedia link: Gaussian elmination.
Homework due Wednesday
  • Reading: Chapter One, Sections I and III.
  • Practice problems: Chapter One, Section I: 2.18, 2.21, 2.24, 2.29, 2.32 (challenge), 3.15, 3.18, 3.25; Section III: 1.8, 1.10, 1.14, 1.15, 2.11, 2.20, 2.24.
☛ Friday ☚
Vector spaces.
Homework due Friday
  • Reading: Chapter One, Section II.1, Chapter Two, Section I.
  • Practice problems: Chapter Two: 1.18, 1.19, 1.22, 1.28, 1.29, 2.20, 2.21, 2.26, 2.29, 2.44.
  • Turn in: H1F (tex file: H1F.tex, solutions: H1Fsol).


Week 2
☛ Monday ☚
No class: Labor Day

☛ Wednesday ☚
Subspaces and spanning sets.
Homework due Wednesday
☛ Friday ☚
Linear independence.
Homework due Friday
Week 3
☛ Monday ☚
Linear independence.
Homework due Monday
☛ Wednesday ☚
Bases.
Homework due Wednesday
☛ Friday ☚
Dimension.
Homework due Friday