Math 225 - Introduction to Differential Equations

Spring 2011 - Matthias K. Gobbert

Detailed Schedule - Last Updated 04/08/11


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, 2006.


Class Date Main Topic Notes
1 We 01/26 Snow cancellation
2 Mo 01/31 1.1 Basic Definitions, 1.2 Classification, 2.3 Exponential Growth HW 0 due: background
3 We 02/02 2.1 First-Order Linear Equations
4 Mo 02/07 2.2 Separable Equations HW 1 due: Sec 1.1, 1.2
5 We 02/09 2.7 The Direction Field
6 Mo 02/14 2.7 A First-Order Numerical Method: Euler's Method HW 2 due: Sec. 2.1
7 We 02/16 Matlab for direction fields and numerical methods HW 3 due: Sec. 2.2
8 Mo 02/21 1.2 Some Basic Theory: Picard's Theorem
9 We 02/23 3.1 Introduction to Second-Order Linear Equations HW 4 due: Sec. 2.7, Review
10 Mo 02/28 Test 1 (Chapters 1 and 2)
11 We 03/02 3.2 Fundamental Solutions of the Homogeneous Equation HW 5 due: 1.2, 2.7, 2.8
12 Mo 03/07 3.4 Homogeneous Equations with Constant Coefficients: Real Roots
13 We 03/09 3.3 Reduction of Order HW 6 due: Sec. 3.1, 3.2
14 Mo 03/14 3.5 Homogeneous Equations with Constant Coefficients: Complex Roots
15 We 03/16 3.6 Nonhomogeneous Equations HW 7 due: Sec. 3.3, 3.4, 3.5
Mo 03/21 Spring Break
We 03/23 Spring Break
16 Mo 03/28 3.7 Solving Nonhomogeneous Equations: Method of Undetermined Coefficients
17 We 03/30 3.8 Solving Nonhomogeneous Equations: Method of Variation of Parameters HW 8 due: Sec. 3.6, 3.7, 3.8
18 Mo 04/04 Test 2 (Chapter 3)
19 We 04/06 3.9, 3.10, 3.11 Oscillation and Vibration in Mechanical Systems HW 9 due: Sec. 3.7, 3.8, Review
20 Mo 04/11 5.1 Definition of the Laplace Transform
21 We 04/13 5.2 Properties of the Laplace Transform HW 10 due: Sec. 5.1
22 Mo 04/18 5.3 The Inverse Laplace Transform
23 We 04/20 5.4 Initial-Value Problems HW 11 due: Sec. 5.2, 5.3
24 Mo 04/25 5.5 Step Functions and Delayed Functions
25 We 04/27 5.6 Differential Equations with Discontinous Forcing Functions HW 12 due: Sec. 5.4, 5.5
26 Mo 05/02 Test 3 (Chapter 5)
27 We 05/04 5.7 Impulse Forcing Functions HW 13 due: Sec. 5.6, 5.7, Review
28 Mo 05/09 Chapter 6: Systems of linear differential equations
29 We 05/11 8.1 Phase Plane Analysis of Autonomous Systems HW 14 due: feedback
M 05/16 03:30-05:30 Final exam (Chapters 1, 2, 3, and 5) Note the date and time!

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This page version 1.5, April 2011.