Math 235 

Spring 2020 

UMass at Amherst

TuTh   at  11:30 - 12:45   in  LGRT 123

Instructor: Laura Colmenarejo (Hernando)

lcolmenarejo(_at_)umass(_dot_)edu     

LGRT 1022

Office Hours: Tuesdays, 15:00 - 16:00, or by email

Course syllabus: here

More information in the Chair's course webpage

Announcements  

Practice problems available on April 9, 2020

We are online! Check Moodle and your email for more information!

Midterm I - Practice problems: here with solutions here

Important dates

Material: 1.1, 1.2, 1.3, 1.4, 1.5, 1.7, 1.8, 1.9, 2.1. 

Weekly Schedule

01/21 Introduction + Sections 1.1 & 1.2

01/23 Sections 1.2 & 1.3

01/28 Section 1.5

01/30 Sections 1.3 & 1.4 + Quiz 1 (solution)

02/04 Section 1.7

02/06 Section 1.8

02/11 Section 1.9 

02/13 Section 2.1 + Quiz 2 (solution)

02/20 Section 2.2

02/25 Section 2.3

02/27 Section 3.1 & 3.2

Midterm I in the evening

03/03 Section 3.3 + Quiz 3 (solution)

03/05 Section 4.1

03/10 Section 4.2

03/13 Section 4.3

Spring break

03/23 Section 4.4 + BWA 1 (solution)

03/27 Section 4.5

03/31 Section 4.6

04/02 Section 5.1 + BWA 2

04/07 Section 5.2

04/09 Section 5.3 + PP

04/14 Section 5.3

04/16 Section 5.5 + BWA 3

04/21 Section 6.1

04/23 Section 6.1 & 6.2

04/28 Section 6.2

Suggested Problems from Textbook

Section 1.1: 5-16,29-32

Section 1.2: 1-4,7-14

Section 1.3: 1,2,5,6,9-16,25,26

Section 1.4: 1-12,15-22

Section 1.5: 1-12

Section 1.7: 1-22, 33-38

Section 1.8: 1-17, 19-20

Section 1.9: 1-12, 15-22, 25-28


Section 2.1: 1-12

Section 2.2: 1-7, 29-34

Section 2.3: 1-8, 11-24


Section 3.1: 1-30, 33-38 

Section 3.2: 1-26

Section 3.3: 1-16, 19-24


Section 4.1: 1-3, 5-18, 21-22

Section 4.2: 1-24

Section 4.3: 1-16, 24-25

Section 4.4: 1-14, 17, 27-32

Section 4.5: 1-18, 21-24

Section 4.6: 1-16


Section 5.1: 1-20

Section 5.2: 1-18

Section 5.3: 1-20

Section 5.5: 1-6, 13-16


Section 6.1: 1-18, 23, 26

Section 6.2: 1-22


If you have a contract with DS, please contact them IMMEDIATELY to schedule your exam there. They require a week advanced notice, so you must contact them BEFORE Monday 4/29/19. Of course under extraordinary circumstances, your instructor can offer a make-up exam.

Overrides:

Students needing an override in order to enroll in the course should contact the course chair Weimin Chen wchen@math.umass.edu with the following information: (1) sections of the course which conflict with other courses from your academic schedule, and (2) preferred section of the course. (Unfortunately, in order to keep the sections balanced we cannot guarantee that you will be assigned to your preferred section.) 

Textbook and On-line Homework:

Linear Algebra and its Applications (5th edition) by David Lay, Steven Lay & Judi McDonald.

MyMathLab is required for this course. An electronic copy of the textbook is included in your purchase of MyMathLab. 

Go to www.mymathlab.com and use the Course ID for your learning section (check instructions below).

On-line homework will be assigned through MyMathLab. 

Grading scheme:

To register for Math 235 - Section 03, follow these steps:

Registration will be open after the first lecture!

1. Go to www.pearson.com/mylab.

2. Under Register, select Student.

3. Confirm you have the information needed, then select OK! Register now.

4. Enter your instructor’s course ID: colmenarejo29757 , and Continue.

5. Enter your existing Pearson account username and password to Sign In.

You have an account if you have ever used a MyLab or Mastering product. If you don’t have an account, select Create and complete the required fields.

6. Select an access option. Enter the access code that came with your textbook or that you purchased separately from the bookstore.

If available for your course:

– Buy access using a credit card or PayPal.

– Get temporary access.

7. From the You’re Done! page, select Go To My Courses.8. On the My Courses page, select the course name Math 235: Introduction to Linear Algebra to start your work.

You can also read them here