Math 235
Spring 2019
UMass at Amherst
Embedded Files
MoWeFr at 13:25 - 14:15 in Goessmann Lab 151
Lecturer: Laura Colmenarejo (Hernando)
lcolmenarejo(_at_)umass(_dot_)edu
LGRT 1534
TA: Xuejiao Li
Office Hours: Please, email me to find a good time for office hours.
Course syllabus: here
Important dates
Midterm I: February 28, 2019, at 7-9 pm in Hasbrouck 134.
Midterm II: April 9, 2019, at 7-9 pm in Hasbrouck 134.
Final Exam: May 7, 2019, at 10:30 am - 12:30pm in Boyden Gym.
Announcements
Announcements
Midterm II information:
Midterm II information:
Date and time: April 9th, 2019 from 7 to 9 pm.
Room: Hasbrouck 134
Extra-time session (for those writing a make-up exam): April 9th, 2019 from 5 to 9 pm in LGRT 206.
The topics may include the following sections of the textbook: Chapter 3, Sections 1-3 , and Chapter 4, Sections 1-6
Please work through all the True/False-with-justification problems at the end of Chapters 3& 4 before the exam.
You are allowed one 8.5" x 11" sheet of notes (both sides, in your own handwriting).
Calculators and the textbook are not allowed on the exams.
You must bring your student ID (UCard).
List of Written Homework
List of Written Homework
(due at the beginning of class every Friday)
(due at the beginning of class every Friday)
Written Homework 1, due on February 8, 2019. Click Here.
Written Homework 2, due on February 15, 2019. Click Here
Written Homework 3, due on February 22, 2019. Click Here
Written Homework 4, due on March 1, 2019. Click Here
Written Homework 5, due on March 8, 2019. Click Here
No written homework during Spring break, only Online Homework.
Written Homework 6, due on March 29, 2019. Click Here
Written Homework 7, due on April 5, 2019. Click Here
Written Homework 8, due on April 12, 2019. Click Here
Written Homework 9, due on April 19, 2019. Click Here
Written Homework 10, due on April 26, 2019. Click Here (LAST ONE!)
Final practice. Click Here
Syllabus and Weekly Schedule (Tentative)
Weekly Schedule
Weekly Schedule
1/23 Section 1.1
1/25 Section 1.2
1/28 Section 1.2
1/30 Section 1.3
2/1 Section 1.4
2/4 Section 1.5
2/6 Section 1.7
2/8 Section 1.7 - 1.8
2/11 Section 1.8 - 1.9
2/13 Section 1.9
2/15 Review Chapter 1
2/19 Section 2.1
2/20 Section 2.2
2/22 Section 2.3
2/25 Section 3.1
2/27 Section 3.2
3/1 Section 3.3
3/4 Section 4.1
3/6 Section 4.1
3/8 Section 4.1
3/18 Section 4.3
3/20 Section 4.3 & 4.2
3/22 Section 4.2
3/25 Section 4.4
3/27 Section 4.5
3/29 Section 4.6
4/1 Review Chapter 4
4/3 Section 5.1
4/5 Section 5.2
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.
Conflicts with exams:
If you have a documented conflict for one of the exams, in order to take the make-up exam you must give your instructor and the course chair Rob Kusner profkusner@gmail.com at least one week’s written notice for a midterm exam and at least two weeks’ written notice for the final exam. Your instructor and the course chair will evaluate your request and your instructor will arrange for the make-up. Other make-up exams (for example due to medical emergencies) will be handled directly by your section instructor. Make-up exams will not be given to accommodate travel plans.
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 and quizzes will be assigned through MyMathLab.
Grading scheme:
Midterm I: 25%
Midterm II: 25%
Final Exam: 25%
Online Homework : 15%
Written Homework: 10%
To register for Math 235 - Section 01, follow these steps:
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: colmenarejo82083, 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
Online homework: Online homework will be done through MyMathLab. There will be weekly online homework assignments due each Monday before class. The first assignment will be due on 2/4.
Exams (final exam and midterms)
You are allowed one 8.5” x 11” sheet of notes (both sides, in your own handwriting). Calculators and the textbook are not allowed on the exams. You should bring your student ID (UCard) to each exam.
Midterm I: The first midterm is scheduled for 7-9PM on Thursday 2/28/19 in TBD. Also, an extra-time session (for those with contracts or documented conflicts precleared with your instructor) is scheduled to take place at 5-9PM on Thursday 2/28/19 in TBD.
The topics for the first midterm may include the following sections of the textbook: 1.1, 1.2, 1.3, 1.4, 1.5, 1.7, 1.8, 1.9, 2.1, 2.2, 2.3. Please work through all the True/False-with-justification problems at the end of Chapters 1 & 2 before the exam.
Midterm II: The second midterm is scheduled for 7-9PM on Tuesday 4/09/19 in TBD. Again, an extra-time session (for those with contracts or documented conflicts pre-cleared with your instructor) is scheduled to take place at 5-9PM on Tuesday 4/09/19 in TBD.
The topics for the second midterm may include the following sections of the textbook: 3.1, 3.2, 3.3, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6. Please work through all the True/False-with-justification problems at the end of Chapters 3 & 4 before the exam.
Final Exam: The final exam is scheduled for 10:30AM-12:30PM on Tuesday 5/07/19 in Boyden Gym.
!!!!!!!!THERE WILL BE NO MAKE-UP/EXTRA-TIME SESSION!!!!!!!!
The topics for the final exam may include the following sections of the textbook: 4.5, 4.6, 5.1, 5.2, 5.3, 6.1, 6.2, 6.3, 6.4, 6.5. Please work through all the True/False-with-justification problems at the end of Chapters 5 & 6 before the exam.
Written Homework:
There will be weekly written homework assignments due each Friday at the beginning of class. These assignments will be graded on logical flow as well as mathematical correctness. The first assignment will be due on 2/8. That is to say, please write neatly and concisely. Using a pencil is also a good idea as long the grader can read it. Late homework are not accepted and there will be no make-up homework. The homework with the lowest score will be dropped of the final homework grade.
Collaboration in homework is encouraged . However you must write your own solutions. If you collaborate in homework make sure you understand the solution and write it in your own words. A good rule of thumb for this is that you should be able to write down the solution by yourself without notes from the discussion even a few hours later. Please write the names of your collaborators at the end. If you use help from the internet please acknowledge this. Such problems will be graded 8.5/10. In mathematics it is also important to know when one is wrong. If you explain clearly why a solution is wrong or incomplete and what needs to be done to fix it or complete it this will be worth 1/10.
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