**Math 331.2: Spring 2014 **

**Class Meeting :** Tu-Th 1:00--2:15, LGRC A 301

**Instructor :** Luc Rey-Bellet

**Office :** 1423 J LGRT**Phone :** 545-6020
**E-Mail :** luc <at> math.umass.edu **Homepage:**
http://www.math.umass.edu/~lr7q

**Office Hours :** Th 11:00--12:00,
Friday 1:00--2:00, or by appointment.

**Teaching
Assistants:**

**Instructor :** Kostis Gourgoulias
**E-Mail :** gourgoul@math.umass.edu

**Office Hours :**

Monday 5:00 pm - 6:30 pm LGRC 121

Friday 3:00 pm - 4:30 pm LGRC A301

**Instructor :** Joy Yu
**E-Mail :** jyu@math.umass.edu

**Office Hours :**

Tuesday 5:00 pm - 6:30 pm LGRT 171

Wednesday 4:00 pm - 5:30 pm LGRC A301

**Instructor :** Haitian Yue

**E-Mail :** hyue@math.umass.edu

**Office Hours :**

Monday 3:30 pm - 5:00 pm LGRC A301

Thursday 5:00 pm - 6:30 pm LGRT A203

**Syllabus:**
This course is an introduction to ordinary differential equations.
The topics covered in this class are

First order linear and nonlinear equations: analytic and geometric methods, qualitative analysis.

Second order linear differential equations. Forcing and resonances.

Laplace transform methods.

Systems of linear differential equations: eigenvalues and eigenvectors, phase portraits.

Numerical methods.

Prerequisites are Math 132, corequisite are Math 233.

**Text**:
Advanced Engineering Mathematics, Tenth edition by Erwin Kreyszig.
John Wiley & Sons, Inc. (ISBN: 978-0-470-45835-5)

**Course Web page**:
Please bookmark
www.math.umass.edu/~lr7q/m331-spring2014/m331home.html
The page will be updated regularly. Check it often for informations
about quizzes, homework, exams!

**Online Homework**:
Please bookmark the Webwork homepage. You can access your weekly homework there.

Your login is the first part of your email address: If your email is dfgg@umass.edu, your login is dfgg. Your password is currently
set to be your student ID. When you login for the first time you should change your password.

It is a good idea to print out a copy your homework and add it to your notes.

**Grading**: There
one midterm exam worth 1/3 of the grade and one final exam worth 1/3
of the grade. Homework are assigned weekly and done on-line on the Webwork system.

**Scales
for letter grades**: A : 90 A-: 87
B+: 83 B : 80 B-: 77
C+: 73 C : 70 C-: 67 D+: 63
D : 60 F : <60

**Exam schedule**:
There will one midterm exam and one final exam. The material
covered in the first midterm will be announced in due time. The final
exam is comprehensive but will cover mostly the material of the
second half of the semester.

**Midterm:**Wednesday March 12 Room: LGRC A301 Time: 7:00pm--9:00pm

Practice material: Practice problems**Final:**Monday May 5 Room: Thompson 102 Time: 8:00 am--10:00 am

Practice material: Practice problems and Table of Laplace transforms

**Weekly Schedule: Homework,
Quizzes, and Exams**

**Week 1**(January 20):**Homework :**Sections 1.1, 1.2 (due on Th Jan 30 in class on paper) Homework #1

**Week 2**(January 27):**Homework :**Sections 1.3, 1.4

**Week 3**(February 3): Monday February 3 is the last day to drop with no record**Homework :**

**Week 4**(February 10):**Homework :**

Week 5 (February 17): Monday February 17 is a holiday, tuesday follows a Monday schedule

**Homework :**

**Week 6**(February 24):**Homework :**

**Week 7**(March 3):**Homework :**

**Week 8**(March 10):**MIDTERM on Wednesday March 12, 7:00--9:00 pm, in LGRC A301 :**Sections up to 2.5 included**Homework :****Week 9**(March 17): (**Spring break week**)

**Week 10**(March 24):**Homework :**Section

**Week 11**(March 31):**Homework :**Section

**Week 12**(April 7):**Homework :**Sections

**Week 13**(April 14):**Homework :**Section :

**Week 14**(April 21): Monday April 21 is a holiday, Wednesday follows Monday schedule**Homework :**Sections

**Week 15**(April 28): Wednesday April 30 is the last day of classes**Homework :**Sections

**Week 16**(May 3):

** FINAL EXAM on : **