arminstraub.com

Fall 2016: Linear Algebra I (Math 237)

Overview

Instructor Dr. Armin Straub
ILB 313
straub@southalabama.edu
(251) 460-7262 (please use e-mail whenever possible)
Office hours TR, 9:20-12:20pm, 1:50-2:30pm, or by appointment
however, no office hour Thursdays, 9:55-11:10am
Lecture Section 104 meets TR, 8:00-9:15am, in ILB 465.
Section 105 meets TR, 12:30-1:45pm, in ILB 350.
Midterm exams The tentative dates for our two midterm exams are:
Thursday, September 29
Thursday, November 10
Final exam Section 104: Tuesday, December 6 — 8:00am-10:00am
Section 105: Thursday, December 8 — 1:00pm-3:00pm
Text Linear Algebra with Applications,
by Jeffrey Holt (W. H. Freeman, 2013)
Online homework https://courses1.webwork.maa.org/webwork2/southalabama-ma237-1/
Syllabus syllabus.pdf

Homework and lecture sketches

There is two kinds of homework.

  • Homework is posted online at: https://courses1.webwork.maa.org/webwork2/southalabama-ma237-1/
    Each homework set has a due date, until which you can submit answers. The WeBWorK system will immediately tell you whether your answer to a problem is correct; if it is not correct on the first attempt, you have an infinite number of additional attempts to solve it.
  • The optional exercises from the book are posted for your benefit but they are not turned in. You are strongly encouraged to have a look at these after each lecture to make sure that you are in good shape. You don't necessarily have to work through all of these problems in full detail but you should make sure that you understand the problems and know how to solve them.

To further help you study for this class, I am posting lecture sketches. These are not a substitute for your personal lecture notes or coming to class (for instance, lots of details and motivation are not included in the sketches). I hope that they are useful to you for revisiting the material and for preparing for exams.

Date Sketch In the book Optional exercises from the book Comments
08/16 lecture01.pdf Section 1.1 do Example 9 as exercise
08/18 lecture02.pdf Section 1.2 Section 1.2: 1,3,19,21 do Example 14 as exercise
(the quiz next Thursday will be similar)
08/23 lecture03.pdf Sections 1.1/1.2 Section 1.2: 5-10,11,13,23,29 Homework Set #0 posted at WeBWorK
due by Thursday, September 1
08/25 lecture04.pdf Sections 1.2/2.1 Section 1.1: 33,35,37; Section 1.2: 5-10,11,13,23,29; Section 2.1: 5,9
08/30 lecture05.pdf Sections 2.1/2.2 Section 2.1: 11,27,29; Section 2.2: 9,11,12 (solution) Homework Set #1 posted at WeBWorK
due by Thursday, September 8
09/01 lecture06.pdf Section 3.2 Section 3.2: 3bc,5ac,19,23 Homework Set #2 posted at WeBWorK
due by Tuesday, September 13
09/06 lecture07.pdf Sections 3.2/3.3 Section 3.2: 33; Section 3.3: 5 the Thursday quiz will be on matrix multiplication
09/08 lecture08.pdf Section 3.3 Section 3.3: 1,3,7,9,13 Homework Set #3 posted at WeBWorK
due by Thursday, September 15
09/13 lecture09.pdf Section 5.1 Section 5.1: 11,13,15,17,35,37,39 Homework Set #4 posted at WeBWorK
due by Thursday, September 22
09/15 lecture10.pdf Sections 5.1/3.2 Section 5.1: 41, 43; Section 3.2: 3(a), 5(b)
09/20 lecture11.pdf Sections 3.2/2.3 Section 2.3: 1,3,5,7,9,19,23 the Thursday quiz will be on matrix inverses and determinants
09/22 lecture12.pdf Section 2.3 Section 2.3: 21, 29, 31 start preparing for our first midterm: midterm01-practice.pdf
midterm01-practice-solution.pdf
09/27 review get ready for the midterm exam!
10/04 lecture13.pdf Sections 4.1/4.2 Section 4.1: 21,23,25,31; Section 4.2: 17,19,21,29,31 Homework Set #5 posted at WeBWorK
due by Friday, October 14
10/11 lecture14.pdf Sections 4.1-4.3 Section 4.3: 5,7,13,15
10/13 lecture15.pdf Sections 4.1-4.3 Section 4.3: 19,27,31,33 review Example 102 in the lecture sketch
the quiz on Tuesday will be similar
10/18 lecture16.pdf Sections 4.1-4.3 complete the second part of Example 109
10/20 lecture17.pdf Sections 3.1/6.1 Section 3.1: 13,33,35; Section 6.1: 1,3
10/25 lecture18.pdf Section 6.1 Section 6.1: 7,11,13,15,21,23 Homework Set #6 posted at WeBWorK
due by Thursday, November 3
10/27 lecture19.pdf Section 6.1 Section 6.1: 25,27,29 review Examples 125 and 126 in the lecture sketch
the quiz on Tuesday will be similar
11/01 lecture20.pdf Sections 6.1/3.5 Section 3.5: 47
11/03 lecture21.pdf Section 3.5 start preparing for our second midterm: midterm02-practice.pdf
midterm02-practice-solution.pdf
11/08 review get ready for the midterm exam!
11/15 lecture22.pdf Sections 3.5/6.2
11/17 lecture23.pdf Section 6.4
11/22 lecture24.pdf Section 6.4
11/29 lecture25.pdf Section 6.4 start preparing for the final: final-practice.pdf
final-practice-solution.pdf
12/01 review get ready for the final exam!

Quizzes and solutions

  1. quiz01.pdf, quiz01-solution.pdf
    quiz01b.pdf, quiz01b-solution.pdf
  2. quiz02.pdf, quiz02-solution.pdf
    quiz02b.pdf, quiz02b-solution.pdf
  3. quiz03.pdf, quiz03-solution.pdf
    quiz03b.pdf, quiz03b-solution.pdf
  4. quiz04.pdf, quiz04-solution.pdf
    quiz04b.pdf, quiz04b-solution.pdf
  5. quiz05.pdf, quiz05-solution.pdf
    quiz05b.pdf, quiz05b-solution.pdf

Exams and practice material

There will be two in-class midterm exams and a comprehensive final exam. Notes, books, calculators or computers are not allowed during any of the exams.

Our exam schedule is:

  • Midterm Exam 1: Thursday, September 29
  • Midterm Exam 2: Thursday, November 10
  • Final Exam:
    Section 104: Tuesday, December 6 — 8:00am-10:00am
    Section 105: Thursday, December 8 — 1:00pm-3:00pm

The following material will help you prepare for the exams.

Last change: 2016/12/01
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