Assignments

Differential Equations---Math 333

Instructor: Carol S. Schumacher
Spring, 2014

Jump To: January, FebruaryMarch, April , May , Final Exam

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Date 

Topic 

Reading Assignment 

Written Assignment

 

Monday, January 13

Discuss Syllabus, briefly
Modeling using Differential Equations
Introducing: "Shakespeare and Love"
Numerical technique: (Review of) Euler's Method.
Euler's method reference: Section 1.4 in BDH.  
Wednesday, January 15

Work on your "Shakespeare and Love" Model:
Goals: descriptive name and conjectures about long-term behavior.

Sections 1.1 and 1.2 in BDH  
Friday, January 17 Continue work on S&L exploration
Goal: get to the point where you have planned out the report you will give on Monday.
 
*
Monday, January 20 5 minute reports on S&L Exploration I.
Qualitative and Quantitative observations about Modeling using Differential Equations
Read Section 1.1 (again!) Section 1.2; 1, 3, 5, 7, 15, 17, 23, 35.
Note: MLK day. Class meets from 11:30-12:10.
Wednesday, January 22 More on Modeling: Slope fields Section 1.3 in BDH  
Friday, January 24 Equilibria and the Phase line Section 1.6 in BDH Section 1.1; 4, 5, 13, 14, 15, 17, 23.
*
Monday, January 27
Quiz # 1
Equilibria and the phase line---cont.
  Section 1.3; 7, 11, 13, 15, 16, 17. (For problem 7, use HPGSolver to reproduce the slope field, print it out, and write your solution on the printout.)
Wednesday, January 29 Bifurcations Section 1.7 Section 1.6; 2, 8, 20, 22, 23, 26, 32, 36, 37, 39.
Friday, January 31 Bifurcations in applications
Introducing the Phisheries Project.
  Section 1.7; 2, 3, 4, 6, 7, 8, 13, 18, 22.
*
Monday, February 3 Improving Euler's Method--- laboratory exercise.    
Wednesday, February 5

Test #1

Friday, February 7 Introducing Linear Equations Section 1.8  
*
Monday, February 10 Integrating Factors for Linear Equations Section 1.9 (By this point, you should have the bulk of the mathematical work done on the Phisheries Project.)
Wednesday, February 12 Existence and Uniqueness of Solutions--Big Picture Discussion.
Quiz # 2 ---Linear eqns and Integrating factors.
Section 1.5 Section 1.9; 4, 5, 6, 8, 9, 10, 20, plus problem on handout.
Friday, February 14 More on linear equations: applications and interpretation---a work day.  

Phisheries Project Due

*
Monday, February 17 Modeling via Systems Section 2.1 Section 1.5; 4, 9, 10, 12, 16.
Wednesday, February 19 The Geometry of Systems Section 2.2 What about Cold Meds? worksheet.
Friday, February 21 Geometry of Systems, continued.   Section 2.1; 1, 2, 5, 6, 8, 9, 11, 12, 16a.
*
Monday, February 24 Quiz #3---Geometry of systems.
Finish Bees and Clover Handout
   
Wednesday, February 26 Existence and Uniqueness of Solutions for Systems Section 2.6 Homework Handout plus Section 2.2 18, 19, 21cd, 26.
Friday, February 28 Shakespeare and Love, Part II    

Spring Break

Monday, March 17 Introduction to Linear Systems and the Linearity Principle. Linear Independence of Solutions Section 3.1.  
Wednesday, March 19 Class cancelled due to power outage
Work on homework from Section 3.1; 10, 12, 14, 15, 17, 18, 24, 26-29, 30, 31, 33.
Friday, March 21 Linear Algebra in Diff Eqs
Introducing straight Line Solutions
Section 3.2 Section 3.1 homework due.
*
Monday, March 24 Straight Line Solutions, cont. Linear Alg Handout (read & make connections to book!)
Section 3.2 (again!)
 
Wednesday, March 26 Phase portraits and distinct, real Eigenvalues. Section 3.3
Section 3.2; 1, 3, 6, 8, 10, 12, 13, 16, 17, 19.
Friday, March 28

Test # 2
covers through Section 3.2

*
Monday, March 31 Complex Eigenvalues Section 3.4 Section 3.3; 1, 3, 8, 12, 14, 19, 20, 24, 27.
Wednesday, April 2 Special Cases: Zero and Repeated Eigenvalues Section 3.5

Section 3.4; 2, 6(abde), 10, 12, 14, 15, 16, 23.

Friday, April 4 Finish Linear Systems    
*
Monday, April 7 Quiz #4---Analyzing Linear Systems.    
Wednesday, April 9 The Trace Determinant Plane
Section 3.7 Section 3.5; 4, 6, 8, 11, 13, 14, 18, 21, 22, 23.
Friday, April 11 Two-parameter families    
*
Monday, April 14 Shakespeare and Love---the final encounter.   Section 3.7; 2, 5, 8, 10.
Wednesday, April 16 Equilibrium Point Analysis Section 5.1 Work on Shakespeare and Love!
Friday, April 18 Project # 3: Bifurcations Project    
*
Monday, April 21 Linearization and bifurcations   "Shakespeare and Love" Project Due.
Wednesday, April 23

Test # 3

Section 5.1: 1, 2, 3abd, 4, 8a, 11a, plus handout problems.
Friday, April 25 Linear and Affine Difference Equations.
Introducing Iteration
Handout: A Short Introduction to Difference Equations.  
*
Monday, April 28 Iteration and fixed points.   Handout: Problems on Affine and Linear Difference Equations.
Preliminary check-up on bifurcations project, by appointment, no later than Tuesday, April 29.
Wednesday, April 30 Systems of Difference Equations: The Leslie Matrix Model.  
Friday, May 2 Leslie Matrices, cont.   Handout on Leslie Matrices
Bifurcations Project Due at 3 p.m.
 
 

Final Examination

6:30 p.m. on Wednesday, May 7, 2014

(Note: This is the scheduled time for the Period 3 courses)