Department of Mathematics
University of Kansas
Office: 502 Snow Hall
Phone: 785-864-5180
email: mandal@ku.edu

Satya Mandal

Differential Equations (Math 220): Spring 18 Version

Homework

No. Due Date Section Comments
Chapter 1

Introduction

0. See Canvas 1.1 Just draw a few tangent segments. If you can install dfield8, in MATLAB that would be great.
1. 1.2
1.3 No HW
Chapter 2

First Order ODE

2.1 Linear ODEs
2. 2.2 Separable Variables
2.3 Miscellaneous ODEs Homogeneous and Bernoulli
2.4 Examples of ODE Models No HW
2.5 Existence and Uniqueness of Solutions
3. 2.6 Equilibrium Solutions
2.7 Exact Equations
2.8 Euler Method (Numerical) (Use MS Excel or my Matlab program.)
Chapter 3

Second Order Linear ODE

4 3.1 Introduction There is only one problem assigned, for 5 Points.
3.2 Homogenous Linear ODE
3.3 Fundamental Set of Solutions
5. 3.4 Repeated roots of CE
3.5 Complex roots of CE
3.6 Nonhomogeneous: Method of Variation of Parameters
6. 3.7 Method of Undetermined Coefficients No HW assigned! Experiment and try to solve some of the problems in previous section, using this method.
Search internet for a suitable chart.
3.8 Elements of Particle Dynamics No HW assigned! Read this section carefully. You would be asked to derive some of it, in the Takehome part of the Exam.
Chapter 4

Higher Order Linear ODE

4.1 General Overview of Theory No HW assigned.
4.2 Linear Homogeneous ODE, with constant coefficients Included for the Exam
4.3 Nonhomogeneous Linear ODE No HW assigned.
Chapter 5

System of First Order ODE

7. 5.1 Introduction No Homework
5.2 Algebra of Matrices No Homework
5.3 Linear Systems and Eigen Values HW will not be collected of graded. However, there are some problems for practice.
5.4 The Theoretical Foundation No Homework
5.5 Homogeneous Systems with Constant Coefficients
5.6 Complex Eigenvalues
5.7 Repeated Egenvalues
5.8 Nonhomogeneous Linear Systems Solutions are already on the site. Look at them, only when you get stuck.
Chapter 6

The Laplace Transform

8. 6.1 Definition of Laplace Transform Solutions are already on the site. Look at them, only when you get stuck.
6.2 Solutions of Initial Value Problems Solutions are already on the site. Look at them, only when you get stuck.
Will not be colected 6.3 Step Functions and Dirac Delta HW will not be collected or graded
Will not be colected 6.4 Systems with Discontinuous Functions HW will not be collected or graded