Math 113

Math 113, Winter 2010

Lecture: 2:15 - 3:30, Tuesday and Thursday in 380-380D
Text: Linear Algebra Done Right, by S. Axler
Office Hours: 4:00 - 5:30, Tuesday and Thursday in 380-382E,
    or by appointment


Course Assistant: Yuncheng Lin
ylin2 (at)math(dot)stanford(dot)edu
Office Hours: Monday (2:00-4:00) and Friday (2:00 -3:00) in 380R
    Problem Sets

Welcome to Math 113!

Math 113 is a linear algebra course with an emphasis on abstract vector spaces and algebraic properties. This class is appropriate for students who have already seen some linear algebra in Math 51, but this is not a strict prerequisite. In addition to studying vector spaces, we'll emphasize learning to write clear and compelling proofs. There is a second linear algebra course offered this term, and if you're interested in a a more applied perspective, you might want to consider Math 104. My office hours are scheduled for Tuesday and Thursday from 4:00 to 5:30, but you're always welcome to arrange an appointment with me at another time. Email is generally the best way to reach me, and I try to respond to weekday emails within 24 hours.

Written work

There will be weekly problem sets assigned for Math 113, and the assignments can be found here. Problem sets will be due each Friday, and the logistics for turning them in will be posted soon. No late assignments will be accepted, but I'll drop your lowest homework grade at the end of the quarter. Please staple your assignment before you turn it in!

The best way to learn the material in the course is to put time and effort into the problem sets. You're encouraged to work in groups, but each student must write up his or her own solutions. Also, if you work with other people, you should acknowledge your collaborators on your assignment. Your solutions will be graded on exposition as well as logical correctness, so it's a good idea to view writing up your solution as a separate process from constructing your argument.


We'll have one midterm exam (February 11) and a final exam. The final exam will be held in Building 300, Room 300 from 3:30 to 6:30 on Monday, March 15. I will have extra office hours (with donuts!) on the Saturday morning before the exam, details to follow.
You can find a practice midterm
here. The practice final is now available.


Your course grade will be based on the homework assignments (30%), midterm exam (30%), and final exam (40%). Thoughtful participation in class can improve your grade if it's on the border, and improvement over the course of the quarter is also a plus.

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Revised on February 28th, 2010