MATH 219 DIFFERENTIAL EQUATIONS 

Schedule: click to see the schedule of classes

 

Attendence: Attendance is compulsory in summer school. If you fail to attend less than 70%, you will be given the grade NA no matter what you receive from exams. 

Exams:
  • Exam1: July 15 (Thursday) at 17:00

  • Exam2: July 29 (Thursday) at 17:00

  • FinalExam: August 12 (Thursday) at 17:00

LetterGrades

Grading:

  • E1+E2+F, each exam is worth 100 points and the weights are the same

 

SYLLABUS

Based on “Elementary differential equations and boundary value problems” by Boyce,W.E. and Di Prima,R.C. (7th edition).
The numbering of sections for the 8th edition is identical except that the places of section 7.7 and section 7.8 are changed.


I. Inroduction
1.3 Classifications of differential equations
1.2 Solutions of some differential equations
2.8 The existence and uniqueness theorem (Picard iterates)

II. First Order Equations
1.1 Direction fields
2.2 Separable equations
2.5 Population dynamics
2.2 Homogenous equations. The method of substitution
2.6 Exact equations and integrating factors
2.1 Linear equations
2.4 Differences between linear and nonlinear equations
2.7 Numerical approximations: Euler's method*
(* sketch only)


III. Second Order Linear Equations
3.1 Homogeneous equations with constant coefficients
3.2 Fundamental solutions of linear homogeneous equations
3.3 Linear independence and the Wronskian
3.4 Complex roots and the characteristic equation
3.5 Repeated roots; reduction of order
3.6 Nonhomogeneous equations
3.6 The method of undetermined coefficients
3.7 Variation of parameters

V. Series Solutions of  Differential Equations
5.1 Review of power series
5.2 Series Solution near an OP
5.3 Series Solution near an OP
5.4 Regular singular points
5.5 Euler equation
5.6 Series Solution near a RSP*
5.7 Series Solution near a RSP*

VI. The Laplace Transforms
6.1 Definition of the Laplace transform
6.2 Solution of initial value problems
6.3 Step functions
6.4 Differential equations with discontinuous forcing functions
6.5 Impulse functions
6.6 The convolution integral

VII. Systems of Linear Equations
7.4 Basic theory of systems of first order linear equations
7.5 Homogeneous linear systems with constant coefficients
7.6 Complex eigenvalues
7.7 Repeated eigenvalues
7.8 Fundamental matrices
7.9 Nonhomogeneous linear systems

VIII. Partial Differential Equations and Fourier Series
Separation of variables. The Heat equation
Separation of variables. The Wave equation
Separation of variables. The Laplace equation