## 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

- quiz01.pdf, quiz01-solution.pdf

quiz01b.pdf, quiz01b-solution.pdf - quiz02.pdf, quiz02-solution.pdf

quiz02b.pdf, quiz02b-solution.pdf - quiz03.pdf, quiz03-solution.pdf

quiz03b.pdf, quiz03b-solution.pdf - quiz04.pdf, quiz04-solution.pdf

quiz04b.pdf, quiz04b-solution.pdf - 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.

- Midterm Exam 1: midterm01-practice.pdf

Solutions: midterm01-practice-solution.pdf - Midterm Exam 2: midterm02-practice.pdf

Solutions: midterm02-practice-solution.pdf - Final Exam: final-practice.pdf

Solutions: final-practice-solution.pdf