Professor Poirier | D710 | Fall 2024

Author: Kate Poirier (Page 1 of 10)

Week 12 checklist

Monday, November 18 to Sunday, November 25

Lessons

  • 4.10 Row Space, Column Space and Null Space of a Matrix
  • 5.1 Linear Transformations
  • 5.2 The Matrix of a Linear Transformation I

WeBWorK

  • Row Column and Null Spaces
  • Introduction to Linear Transformations
    • The deadline for this set was accidentally set to 12/1… we’ll leave it for that date, but you can complete it now

OpenLab

Other

  • Thanksgiving is next week; we meet on Monday 11/25 only (not on Wednesday 11/27)
  • Test #3 will be held in class on Monday 12/2 (see the updated schedule here). Test #3 will cover 4.8, 4.9, 4.10, 5.1, 5.2, and 5.3
  • Complete the student evaluations of teaching by Friday, 12/13 (check Brightspace and email)

Test #3 review part 1

Comment due Sunday, November 25

Test #3 will be given in class Monday, December 2. The format will be similar to the format of Test #1 and Test #2.

Recall from Test #1 and Test #2 that Question #1 asked you a series of conceptual true/false questions where you had to justify your answer. Question #2 asked you for a series of examples of mathematical objects (mostly matrices) satisfying certain conditions.

To prepare for Test #3, for this week’s OpenLab assignment, you will comment on this post with two questions that you come up with yourself, as well as their answers.

  1. Your first question should be conceptual and phrased as a statement which is either always true or always false. Your answer should indicate whether the statement is true or false together with a sentence explaining the answer.
  2. Your second question should be asking for an example of a mathematical object satisfying certain conditions. Your answer should provide this example together with together with a sentence explaining the example and why it satisfies the conditions.

You can use the Test #1 and Test #2 questions for inspiration (the different versions of the tests had similar questions, so check out your classmates’ solutions here and here for the other versions).

Try to focus on the material covered in class since Test #2. You can see the list of topics on the schedule.

Test #2 solutions

Coordinate with your group – post due Sunday, November 17

Congratulations on making it through Test #2!

Everyone should spend time going over all of their solutions for Test #2. I am happy to meet with anyone to go over what the expected solutions should look like.

For this week’s OpenLab assignment, you will again work with your group to write up complete solutions for the test. As a group, you are sharing solutions for the whole test, so if your group does not have enough members, decide who will be responsible for more than one solution.

Group 1Group 2Group 3Group 4
AlanAlexKevinZheng Jie
AngelJaqaiOwenAbigail
AlyssaLillyIdhraqIqra
Esrat FAndySmith
RachelIvanChen Hui
TitusRosebelle
Yihua

Group members’ email addresses can be seen by mousing over their names in the table above. The group can then decide how they would like to communicate. While each individual is responsible for posting their own solution, the group as a whole must ensure that all individual solutions are correct and complete.

For your individual post:

  • Title: Test #2 solutions problem #n (where n is the problem number you were assigned by your group)
  • Category: Test #2 solutions – Group m (where m is your group number)
  • In the body of your post, indicate which version of the test you are working from.
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