Instructor / Office / Phone # 
Xinwei Yu /
527 CAB / (780)4925731 
Email / Webpage 
xinwei.yu@gmail.com
/
http://www.math.ualberta.ca/~xinweiyu 
Location / Time / Office Hours 
DP 6069 /
MWF 12pm  12:50pm / MWF 1pm2pm or by appointment 
Topics 
Homeworks(Solutions) 
Lecture Notes 
Introduction 
Introduction (Updated) 

Solving 1st
order ODEs 
Homework 1
(Solution, Statistics) 
Solving 1st order ODEs (Updated) 
Solving 2nd
and higher order linear ODEs 
Homework 2
(Solution, Statistics) 
Solving 2nd order ODEs (Updated) 
Series
solutions 
Homework 3
(Solution, Statistics) 
Series
Solutions (Updated; The part on solving equations at singular
points is totally rewritten) 
Laplace
transform method 
Homework 4
(Solution, Statistics) 
Method of
Laplace Transform (Draft) 
1st order
systems 
Homework 5
(Solution, Statistics) 
First Order
Systems (Updated) 