MAT 2680 Differential Equations Spring 2023

Professor Kate Poirier | D772 | Spring 2023

Week 2 Checklist

Tuesday, February 7 to Monday, February 13

Lisa and Bart saying "Are you trying to teach us the way to solve a problem..."

Lessons

  • Lesson 3/2.2 Separable Equations
  • Lesson 4/2.4 Transformation of Nonlinear Equations into Separable Equations

OpenLab

  • Bad at math? Instructions here

WeBWorK: Due Monday, February 13, 11:59pm

  • First Order Equations-Separable
  • First Order Equations-Nonlinear Bernoulli
  • The set First Order Equations-Nonlinear Homogeneous covers material from this Thursday’s lecture but isn’t due until Monday, February 20
  • One-time extension: last week’s sets are now due at 11:59pm, Tuesday, February 7 (full credit, hard deadline)
    • Introduction-Basic Concepts
    • First Order Equations-Direction Fields
    • First Order Equations-Linear Nonhomogeneous

Project #1

  • Part 1 due February 27, Part 2 due March 6
  • Instructions here

Student office hours

  • This week: Tuesday and Thursday 11:30am to 12:00pm & 2:30pm to 3:00pm

Coming up

  • Test #1: Chapter 2, Week 4
    • You will be permitted to bring a formula sheet to use during the test. Your formula sheet must fit on one side of one letter-sized paper and must be hand written by you. You will hand your formula sheet in with your test.
    • You can start making a rough copy of your formula sheet now. As you complete your WeBWorK sets, keep track of which formulas you used for which sections.

Week 1 checklist

Complete the following by Monday, March 6, 11:59pm

Read on the course hub or in the textbook:

  • Lesson 1: 1.2 First order equations & 1.3 Direction Fields
  • Lesson 2: 2.1 Linear first order equations
    • Video of an example using the variation of parameters method

WeBWorK

See hints here

  • Introduction-Basic Concepts
  • First Order Equations-Direction Fields
  • First Order Equations-Linear Nonhomogeneous

OpenLab

  • Typing math in LaTeX (instructions here)

Other

  • Volunteers to set up
    • Student WhatsApp group chat
    • Student Discord
    • Other student group chats?

Coming up in Week 2

  • Tuesday in class: Lesson 3: 2.2 Separable Equations
  • Thursday in class: Lesson 4: 2.4 Transformation of Nonlinear Equations into Separable Equations
  • WeBWorK
    • First Order Equations-Separable
    • First Order Equations-Nonlinear Bernoulli

Project #1: Applications of first-order differential equations

Summary

For Project #1, you will see how the techniques you’ve learned in Chapter 2 for solving first-order differential equations apply to certain real-world examples. In groups, you will put together a full lesson for your classmates on these applications. Project #1 has two parts:

  1. In pairs, you will complete an assigned homework problem from the text and post a video describing your full solution on the OpenLab.
  2. As a group, you will submit a single OpenLab post with
    1. a short lesson to your topic,
    2. links to the pairs’ posts from Part 1 as examples ,
    3. one new question that everyone else in the class should complete.
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