Math 4100: Differential Equations

Prerequisite:

Math 2300 (Calculus 3)

Course Topics and Core Homework Problems

The following information is provided for illustrative purposes. Details are subject to change.

Textbook

Elementary Differential Equations with Boundary Value Problems by William Boyce, Richard DiPrima, and Douglas Meade, 12th edition.
The text is available electronically and enrolled students will be billed automatically. Please see your instructor’s syllabus for details.

Supplementary Notes

The supplementary planar systems notes linked below are also (optionally) available at the bookstore: ask for the 4100 course packet.

Elementary Differential Equations with Boundary Value Problems (Boyce, DiPrima, Meade, 12th edition)
SectionTopicHomework
2.1Linear Equations; Method of Integrating Factors2c, 4c, 6c, 9, 12, 14(b,c), 21
2.2Separable Differential Equations2, 3, 5, 10(a,c), 14(a,c), 18
2.3Modeling with First-Order Differential Equations1, 2, 5, 17(a,b),18(a,b)
2.6Exact Equations and Integrating Factors1, 2, 4, 7, 11, 15, 19, 20 (see problem 17)
   
3.1Homogeneous Differential Equations with Constant Coefficients3, 6, 10, 13, 15, 17
3.2Solutions of Linear Homogeous Equations; the Wronskian3, 7, 9, 10, 12, 13, 14, 15, 18, 19, 21, 24, 25, 27, 28
3.3Complex Roots of the Characteristic Equation1, 6, 11, 12, 13, 15, 19
3.4Repeated Roots; Redution of Order1, 2, 6, 10, 13, 19, 20
3.5Nonhomogeneous Equations; Method of Undetermined Coefficients1, 2, 5, 12, 14
3.6Variation of Parameters4, 6, 9, 10, 13
3.7Mechanical  Vibrations 1, 4, 5, 8, 17, 18(a,b)
3.8Forced Periodic Vibrations4, 5, 7, 8
   
6.1Definition of the Laplace Transform1-3, 4(a,c), 6, 10, 12, 16
6.2Solution of Initial Value Problems3, 6, 7, 11, 15, 16, 17
6.3Step Functions1, 2, 5, 7, 9, 10, 14, 15, 16, 30
6.4Differential Equations with Discontinuous forcing functions1-4, 9, 11(a,b)
6.5Impulse Functions1, 3, 4, 6, 10(a,b)
6.6The Convolution Integral1(a), 4, 5, 7, 9, 11, 12
   
2.7Numerical Approrixmations: Euler's Method1,2,4
8.1The Euler or Tangent Line Method4, 5, 8, 22
   
Planar systems of Differential Equations (supplementary notes)
1Introduction1.1, 1.2
2Some Concepts from Matrix Theory and Linear Algebra2.1, 2.2(1,4,6,7,8), 2.3(1),2.4(3),2.5(1,2,3)
3General Theory of Linear 2x2 Systems3.1, 3.3, 3.4
4Case 1 (homogeneous, linear, constant coefficient)4.1, 4.2, 4.4, 4.5
5Case 25.1, 5.2, 5.3
6Case 36.1, 6.2, 6.4, 6.5
7Solutions of Nonhomegeous systems2.6(1,3), 7.1, 7.3, 7.4
8Qualitative Methods8.1, 8.2, 8.3
9Linearization of Nonlinear Systems at Isolated Rest Points (as time permits)9.1, 9.4, 9.5, 9.7