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Prof.Khalid Aref Ibrahim

Professor

Academic supervisor

كلية الهندسة
College of Engineering, First floor, Office number F073
مادة دراسية

Differential Equations (math 1130)

 
Math 1130 - Differential Equations
Khalid Aref, Associate Professor of Chemical Engineering
                                               College of Engineering/ Al-Muzahmiyah
Office Hours
These are the times I'm scheduled to be in my office. If these times are not convenient for you, please see me to make an appointment for some other time
 
Text Book: Differential Equations with Boundary-Value Problems, seventh edition. Dennis G. Zill, Michael R Cullen. Copyright 2009, Brooks/Cole. ISBN-13: 978-0-495-10836-8
GRADING SYSTEM:
 
First Major Midterm                                          25%
Second Midterm                                               25%
Home works and Quizzes                                10%
Final Exam:                                                       40%
Total                                                                   100%
 
 
Exams’ dates and locations will be announced later
 
 
Objective: To identify and solve ordinary differential equation using different strategies
 
Chapter 1: Introduction to Differential Equations(6 lectures)
 
1.1 Definitions and Terminology
1.2 Initial-Value Problems
1.3 Differential Equations as Mathematical Models
 
Chapter 2:First order ordinary differential equations (ODE) (8 lectures)
 
2-1 : Basic concepts: differential equation, ordinary, order, linear, non-linear, solution, homogeneous , non-honogeneous initial value problem .
2-3 :  First order Separable ODE, can be made separable.
 
2-4 : First order Exact ODE ,Test of Exactness, solution , can be made Exact ( Integrating factor ) ,
2-5 : First order Linear ODE, solution (Integrating factor ) can be made Linear ( Bernoulli equation ).
 
Chapter 3: Second order ODE   (8 lectures)
            
3-1: Homogeneous, non-homogeneous, Linear independence, Basis, general solution, particular solution. Reduction of order: x-missing, y-missing, if one solution is                    known find another linearly independent solution,
 
3-2: Homogeneous Linear of constant coefficients, exponential solution, characteristic equation, three cases (two different real roots, one repeated real root, complex roots and Euler formula).
 
3-5 : Can be made equation with constant coefficients ( Euler- Cauchy equation ) auxiliary equation, solution, Three cases: Two distinct real roots, one repeated  real root, complex roots.: Existence and uniqueness, Linear independence , Wronskian.
 
3-7: Non-homogeneous ODE, general solution of homogeneous + Particular solution of non-homogeneous = general solution of non-homogenous. Finding particular solution using Method of undetermined coefficients.
 
3-10: Finding Particular solution using Method of variation of parameters.
 
Chapter 4:  Modeling  with  First-Order Differential Equations(5 lectures)
 
4.1 Linear Models
4.3 Modeling with Systems of First-Order DEs
 
 
 
Chapter 6 : Series solution of ODE . (5 lectures)
 
6-1, 6-2 : Review of basic properties of power series. Shifting of index, starting index of the sum, real analytic functions , existing of power series solution, regular points and singular points of a differential equation, Recurrence relation .
 
6-4 : Solution of ODE near regular singular points, (Frobenius Method), Indicial equation , roots , three cases .
 
Chapter 7 : Laplace Transform . (8 lectures)
 
7-1 : Definition of Laplace and inverse of Laplace Transform, Linearity, First shifting theorem, Existence and uniqueness of Laplace transform .
 
7-2 : Laplace Transform of derivative: Solving initial value problem using Laplace transform.
 
7-3 : Unit step function ,writing branch functions as a linear combination of functions using unit step function , Second shifting theorem , Solving initial value problems
Containing branch functions.
 
7-4 : Dirac -function
 
7-5 : Convolution (optional)
 

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