Math 4100 Differential Equations

Course Topics and
Core Homework Problems

Textbook:

Elementary Differential Equations and Boundary Value Problems (Course Advantage Edition) Eighth Edition by William E. Boyce and Richard C. DiPrima

Supplementary Text:

Planar Systems of Differential Equations

Grading Policy

There will be 3 midterm exams (100 points each), homework/quizzes (100 points) and one comprehensive final exam (150 points). The maximum total for the course will be 550 points.

Sections Covered

Homework

Elementary Differential Equations and Boundary Value Problems

2.1 Linear Equations; Method of Integrating Factors

2(c),6(c),8(c),13,16

2.2 Separable Equations

3,6,7,10(a,c),22

2.3 Modeling with First Order Equations

1,3,7,21,23

2.6 Exact Equations and Integrating Factors

3,5,11,12,19,29

3.1 Homogeneous Equations with Constant Coefficients

7,14,17,20,23

3.2 Fundamental Solutions of Linear Homogeneous Equations

4,8,12,13,15,16,17,19,22,23,26

3.3 Linear Independence and the Wronskian

1,6,7,9,12,17,18,20,22

3.4 Complex Roots of the Characteristic Equation

7,12,16,18,19,27

3.5 Repeated Roots; Reduction of Order

1,2,7,12,15,25,32

3.6 Non-homogeneous Equations; Method of Undetermined Coefficients

2,4,8,16,17

3.7 Variation of Parameters

7,12,13,17

3.8 Mechanical and Electrical Vibrations (Mechanical Vibrations only)

7,9,13,17,26(a,b)

3.9 Forced Vibrations

5,7,11,12

6.1 Definition of the Laplace Transform

1,2,3,5(c),7,13,14,16,18

6.2 Solution of Initial Value Problems

7,8,9,11,20,21,24

6.3 Step Functions

1,3,7,9,14,16,17,24,25

6.4 Differential Equations with Discontinuous Forcing Functions

1,2,4,6,8,11,14,16(a,b)

6.5 Impulse Functions

1,3,5,11,14(a,b)

6.6 The Convolution Integral

4,6,8,10,13,15

2.7 Numerical Approximations: Euler's Method

8.1 The Euler or Tangent Line Method

3(a,b,c,d),4(a,b,c,d),9(1,b,c,d),22
Planar Systems of Differential Equations

1. Introduction

1.1-1.2

2.Some Concepts from Matrix Theory and Linear Algebra
2.1 Notations and Basic Definitions
2.2 Determinants, Inverses, Linear Dependence, Eigenvalues and Eigenvectors

2.1,2.2(1,4,6,7),2.3(1),2.4(3),2.5(1,2,3)

3. General Theory of Linear 2x2 Systems (for those interested in the details)

3.1,3.3,3.4

4. Case 1

4.1,4.2,4.4

5. Case 2

5.1,5.2,5.3

6. Case 3

6.1,6.2,6.5

7. Solutions of Nonhomogeneous Systems

2.6(1,3),7.1,7.3,7.4

8. Qualitative Methods

8.1,8.2,8.3

9. Linearization of a Nonlinear System at an Isolated Rest Point

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This page was last updated August 21, 2007

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