Information for all sections

Course outline: pdf file.

Textbook: Notes on Diffy Qs: Differential Equations for Engineers, by Jiri Lebl, (online and free, there is a link to affordable paperback)

Supplementary text: Differential Equations and Their Applications, 4th Ed., by Martin Braun (accessible from inside UBC or via VPN). We will follow Braun's section 1.9 for the topic on exact equations.

Homework sets and Exams

Homework sets and Exams Solutions
Wed 09.09
first lecture

Fri 09.18

Fri 09.25
H1 and practice*
h1s, ph1s
Fri 10.02 H2 and practice*
h2s, ph2s
Fri 10.09
Midterm Exam 1
It will cover Sections 1.1-1.4, 1.6, 1.7, and Braun 1.9. It will not cover 1.5 nor Chapter 2.
Sample 1 for MT1 and solutions, Sample 2 for MT1 and solutions. Problem 4 of the sample exams are from Chapter 2 and not covered in our midterm exam.
Fri 10.16 H3 and practice*
h3s, ph3s
Fri 10.23
H4 and practice*
h4s, ph4s
Fri 10.30
H5 and practice*
h5s, ph5s
Fri 11.06
H6 and practice*
h6s, ph6s
Fri 11.13
Midterm Exam 2
It will cover Chapters 2 and 6, except sections 2.3, 6.2.4, 6.3.3 and 6.4.4. It does not cover reduction of order.
Table of Laplace transform to be provided in the exams
Sample 1 for MT2 and solutions, Sample 2 for MT2 and solutions.
Fri 11.20
H7 and practice* h7s, ph7s
Fri 11.27
H8 and practice* h8s, ph8s
Fri 12.04
last lecture and practice* ph9s

Thu 12.17 8:30am
Final Exam
In addition to sections covered in MT1 and MT2, it will cover sections 3.3-3.5, 3.7, 3.9, and 8.1-8.3. It will not cover 3.6, 3.8, 3.9.3. It will not cover methods of eigenvector decomposition and undetermined coefficients in 3.9.1, and global phase portrait in 8.3.
Section 101: HEBB 100
Section 102: MATH 100
Section 103: BUCH A101
Section 104: HEBB 100
Revised table of Laplace transform and variation of parameters, to be provided in final exam.

Old final exams:

* Practice homework and exams may not cover exactly the same sections

List of MATH 215/255 sections

Section Instructor Location Time Section Link
101 Mingfeng Zhao Leonard S. Klinck (CSCI) 201 MWF 8:00a-9:00a Section Link
102 Tai-Peng Tsai Leonard S. Klinck (CSCI) 200 MWF 9:00a-10:00a Section Link
103 Theodore Kolokolnikov Leonard S. Klinck (CSCI) 200 MWF 1:00p-2:00p Section Link
104 Mingfeng Zhao BUCH A103 MWF 1:00p-2:00p Section Link


Calendar description:

MATH 215: First-order equations; linear equations; linear systems; Laplace transforms; numerical methods; trajectory analysis of plane nonlinear systems. Applications of these topics will be emphasized.
MATH 255: Review of linear systems; nonlinear equations and applications; phase plane analysis; Laplace transforms; numerical methods.
Prerequisite: One of MATH 101, MATH 103, MATH 105, MATH 121, SCIE 001 and one of MATH 152, MATH 221, MATH 223.
Corequisite: One of MATH 200, MATH 217, MATH 226, MATH 253, MATH 263.