Math 225 - Introduction to Differential Equations

Fall 2008 - Matthias K. Gobbert

Detailed Schedule - Last Updated 08/12/08


This schedule is designed to give you an overview of the material to be covered and a detailed schedule of the tests. and the due dates of the homework assignments.

The chapter and section numbers refer to the text, Stanley J. Farlow, An Introduction to Differential Equations and Their Applications, Dover, 1994.


Class Date Main Topic Notes
1 W 08/27 1.0 Prologue
2 F 08/29 1.1 Basic Definitions and Concepts HW 1 due: handout
M 09/01 Labor Day
3 W 09/03 1.2 Some Basic Theory
4 F 09/05 1.2 Some Basic Theory HW 2 due: Sec. 1.1, 1.2
5 M 09/08 2.1 First-Order Linear Equations
6 W 09/10 2.2 Separable Equations
7 F 09/12 2.3 Growth and Decay Phenomena HW 3 due: Sec. 2.1, 2.2
8 M 09/15 2.4 Mixing Phenomena
9 W 09/17 2.5 Cooling and Heating Phenomena
10 F 09/19 2.7 The Direction Field and Euler's Method HW 4 due: Sec. 2.3, 2.4
11 M 09/22 2.8 Higher-Order Numerical Methods
12 W 09/24 3.1 Introduction to Second-Order Linear Equations
13 F 09/26 Test 1 (Chapters 1, 2) HW 5 due: Sec. 2.5, 2.7
14 M 09/29 3.2 Fundamental Solutions of the Homogeneous Equation
15 W 10/01 3.3 Reduction of Order
16 F 10/03 3.4 Homogeneous Equations with Constant Coefficients: Real Roots HW 6 due: Sec. 3.1, 3.2
17 M 10/06 3.4 Homogeneous Equations with Constant Coefficients: Real Roots
18 W 10/08 3.5 Homogeneous Equations with Constant Coefficients: Complex Roots
19 F 10/10 3.5 Homogeneous Equations with Constant Coefficients: Complex Roots HW 7 due: Sec. 3.3, 3.4
20 M 10/13 3.6 Nonhomogeneous Equations
21 W 10/15 3.7 Solving Nonhomogeneous Equations: Method of Undetermined Coefficients
22 F 10/17 3.8 Solving Nonhomogeneous Equations: Method of Variation of Parameters HW 8 due: Sec. 3.5, 3.6
23 M 10/20 3.9 Mechanical Systems and Simple Harmonic Motion
24 W 10/22 3.10 Unforced Damped Vibration
25 F 10/24 3.11 Forced Vibrations HW 9 due: Sec. 3.7, 3.8
26 M 10/27 5.1 Definition of the Laplace Transform
27 W 10/29 5.2 Properties of the Laplace Transform
28 F 10/31 Test 2 (Chapter 3) HW 10 due: Sec. 3.9, 3.10, 3.11
29 M 11/03 5.3 The Inverse Laplace Transform
30 W 11/05 5.4 Initial-Value Problems
31 F 11/07 5.5 Step Functions and Delayed Functions HW 11 due: Sec. 5.1, 5.2, 5.3
32 M 11/10 5.6 Differential Equations with Discontinous Forcing Functions
33 W 11/12 5.7 Impulse Forcing Functions
34 F 11/14 5.8 The Convolution Integral HW 12 due: Sec. 5.4, 5.5, 5.6, 5.7
35 M 11/17 6.1 Introduction to Linear Systems: The Method of Elimination
36 W 11/19 6.2 Review of Matrices
37 F 11/21 6.3 Basic Theory of First-Order Linear Systems HW 13 due: Sec. 5.8, 6.1, 6.2
38 M 11/24 6.4 Homogeneous Linear Systems with Real Eigenvalues
39 W 11/26 6.5 Homogeneous Linear Systems with Complex Eigenvalues
F 11/28 Thanksgiving break
40 M 12/01 8.1 Phase Plane Analysis of Autonomous Systems HW 14 due: Sec. 6.3, 6.4, 6.5
41 W 12/03 8.2 Equilibrium Points and Stability for Linear Systems
42 F 12/05 Test 3 (Chapters 5, 6, 8)
43 M 12/08 Review HW 15 due: e-mail
W 12/17 01:00-03:00 Final exam (Chapters 1, 2, 3, 5, 6, 8) Note the date and time!

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This page version 1.0, August 2008.