Math 219 | Introduction to Differential Equations

There will be 29 lectures given by the instructors, each lasting 2 class hours.

The section numbers below are from the textbook, Elementary Differential Equations and Boundary Value Problems by Boyce and DiPrima. The actual timing of the lectures may differ slightly from section to section because of the holidays, but the total number will be the same.

Lecture 1 Introduction
Direction Fields
Lecture 2 § 2.1 Linear equations with variable coefficients
§ 2.2 Separable equations, homogeneous equations
Lecture 3 § 2.3, 2.5 Modeling with first order equations
      (tank problems, populations growth problems)
Lecture 4 § 2.4 Differences between linear and nonlinear equations
Lecture 5 § 2.6 Exact equations and integrating factors
Lecture 6 § 3.1 Homogeneous equations with constant coefficients
§ 3.2 Fundamental solutions of linear homogeneous equations
Lecture 7 § 3.3 Linear independence and the Wronskian
§ 3.4 Complex roots and the characteristic equation
Lecture 8 § 3.5 Repeated roots; reduction of order
§ 3.6 Nonhomogeneous equations; method of undetermined coefficients (Part I)
Lecture 9 § 3.6 Nonhomogeneous equations; method of undetermined coefficients (Part II)
§ 3.7 Variation of parameters
October 29 Holiday (Cumhuriyet Bayramı)
Lecture 10 § 3.8 Mechanical and electrical vibrations
§ 3.9 Forced vibrations
Exam 1: Thursday, November 5, 17:40
Lecture 11 § 4.1 General theory of nth order linear equations
Lecture 12 § 4.3 The method of undetermined coefficients
Lecture 13 § 6.1 Definition of the Laplace Transform
Lecture 14 § 6.2 Solution of initial value problems
Lecture 15 § 6.3 Step functions
§ 6.4 Differential equations with discontinuous forcing functions
Lecture 16 § 6.5 Impulse functions
§ 6.6 The convolution integral
November 27-30 Holiday (Kurban Bayramı)
Lecture 17 § 5.1 Review of power series
§ 5.2 Series solution near an ordinary point (Part I)
Lecture 18 § 5.3 Series solution near an ordinary point (Part II)
Lecture 19 § 7.1 Introduction to linear systems
§ 7.2 Review of matrices
Exam 2: Thursday, December 10, 17:40
Lecture 20 § 7.3 Systems of linear algebraic equations
     Linear independence, eigenvalues, eigenvectors
§ 7.4 Basic theory of systems of first order linear equations
Lecture 21 § 7.5 Homogeneous linear systems with constant coefficients
Lecture 22 § 7.6 Complex eigenvalues
Lecture 23 § 7.8 Repeated eigenvalues
Lecture 24 § 7.7 Fundamental matrices
§ 7.9 Nonhomogeneous linear systems   (variation of parameters only)
Lecture 25 § 10.1 Two point boundary value problems
Lecture 26 § 10.2 Fourier series
§ 10.3 The Fourier convergence theorem
Lecture 27 § 10.4 Even and odd functions
Lecture 28 § 10.5 Separation of variables, heat conduction in a rod
Lecture 29 § 10.6 Other heat conduction problems