Introduction to Differential Equations

Curriculum Guideline

Effective Date:
Course
Discontinued
No
Course Code
MATH 2421
Descriptive
Introduction to Differential Equations
Department
Mathematics
Faculty
Science & Technology
Credits
3.00
Start Date
End Term
Not Specified
PLAR
No
Semester Length
15
Max Class Size
35
Course Designation
None
Industry Designation
None
Contact Hours

Lecture: 4 hours/week

and

Tutorial: 1 hour/week

Method(s) Of Instruction
Lecture
Tutorial
Learning Activities

Lectures, problems sessions, assignments.

 

Note to instructor: assignments may incorporate use of appropriate software (MAPLE, MatLab ...)

Course Description
This course is an introduction to ordinary differential equations. Topics include the solution of first- and higher order differential equations, power series solutions, Laplace transforms, linear and non-linear systems and applications.
Course Content
  1. First-Order Differential Equations: linear, separable, autonomous and exact equations, existence and uniqueness of solutions, numerical methods and applications
  2. Higher Order Differential Equations: homogeneous linear equations with constant coefficients, nonhomogenous equations and undetermined coefficients, variation of parameters, and applications
  3. Equations with Variable Coefficients: Cauchy-Euler equations, power series solutions about ordinary and singular points
  4. Laplace Transforms: existence and uniqueness, linearity, inverse transforms, theorems for transforms of derivatives, integrals, shifting, step functions, delta functions, convolution, transfer and impulse response functions, and applications
  5. Systems of Linear Differential Equations: systems of homogeneous and nonhomogeneous first-order equations, reduction of higher-order linear equations to normal form, matrix methods for solving systems of linear first-order differential equations, autonomous systems, trajectories and phase portrait analysis
  6. Non-linear Systems: solution trajectories of autonomous systems, stability of critical points, linearization and applications
Learning Outcomes

Upon successful completion of the course, students will be able to:

  • identify an ordinary differential equation and classify it by order and linearity.
  • determine whether or not a unique solution to a first-order initial-value problem exists.
  • describe the differences between solutions of linear and non-linear first-order differential equations.
  • recognize and solve linear, separable and exact first-order differential equations.
  • use substitutions to solve various first-order differential equations (optional).
  • recognize and solve autonomous first-order differential equations, analyze trajectories, and determine the stability of critical points.
  • use the Euler method to approximate solutions to first-order differential equations.
  • model and solve application problems using linear and non-linear first-order differential equations, including topics such as: growth and decay, series circuits, Newton’s law of cooling, mixtures, logistic growth, chemical reactions, particle dynamics.
  • determine whether or not a unique solution to a linear nth-order initial-value problem exists.
  • use the Wronskian to determine whether or not a set of solutions to a differential equation are linearly dependent or independent.
  • use reduction of order to find a second solution from a known solution (optional).
  • solve homogeneous linear equations with constant coefficients.
  • express linear differential equations in terms of differential operators (optional).
  • solve nonhomogeneous linear differential equations using the method of undetermined coefficients.
  • solve nonhomogeneous linear differential equations using variation of parameters.
  • solve nonhomogeneous linear differential equations using Green’s functions (optional).
  • model, solve and analyze problems involving mechanical or electrical vibrations using second-order linear differential equations
  • determine ordinary and singular points of linear differential equations.
  • recognise and solve Cauchy-Euler equations.
  • use power series techniques to solve linear differential equations in the neighbourhood of ordinary points.
  • use the method of Frobenius to solve linear differential equations about regular singular points (optional).
  • state the definition of the Laplace transform of a function and the sufficient conditions for its existence.
  • determine the Laplace transforms for basic functions, derivatives, integrals and periodic functions and their inverse transforms.
  • use the convolution theorem and translation theorems to find Laplace transforms and their inverses.
  • use the Laplace transform to determine the system transfer function of a linear differential equation.
  • use the Laplace transform and the Dirac delta function to determine the impulse response of a linear differential equation.
  • use Laplace transforms to solve initial value problems, integral equations and integro-differential equations.
  • solve systems of differential equations using differential operators or Laplace transforms (optional).
  • express higher-order linear differential equations as a first-order system in normal form.
  • determine eigenvalues and eigenvectors of a real-valued matrix.
  • solve systems of homogeneous first-order linear differential equations using matrix methods.
  • solve systems of nonhomogeneous linear first-order differential equations.
  • find trajectories associated with, determine critical points of, and perform phase plane analyses for simple autonomous linear and non-linear systems of differential equations.
  • model and solve application problems using systems of first-order linear differential equations, including topics such as: electrical circuits, mixtures, chemical reactions, particle dynamics, competition models.
  • model and solve application problems using systems of first-order non-linear differential equations, including topics such as the pendulum or predator-prey models.
Means of Assessment

Assessment will be in accordance with the ÁñÁ«ÊÓƵ Evaluation Policy.  The instructor will present a written course outline with specific evaluation criteria at the beginning of the semester.  Evaluation will be based on the following:

Tutorials:  0-10%
Tests:   20-60%
Assignments: 0-20%
Problem Sessions: 0-10%
Attendance: 0- 5%
Final exam:  30-40%

Total: 100%

Textbook Materials

Textbooks and materials are to be purchased by students.  A list of required and textbooks and materials is provided for students at the beginning of the semester. Example texts may include:

Notes on DiffyQ's: Differential Equations for Engineers, Jiri Lebl, current edition.

A First Course in Differential Equations with Modeling Applications, Zill, Dennis G., Brooks-Cole, current edition.

Elementary Differential Equations and Boundary Value Problems, Boyce and DiPrima, Wiley, current edition.

A First Course in Differential Equations for Scientists and Engineers. R.L. Herman, current edition.

Prerequisites