Math 331-4:
Fall 2012
Instructor : Hongkun Zhang
Office :
1340 LGRT
Phone :
545-2871
E-Mail :
hongkun <at> math.umass.edu
Homepage:
http://www.math.umass.edu/~hongkun/teach-331-12.html
It will be updated regularly. Check it often for information about quizzes,
homework and exams!
Class Meeting : TuTh 11:15 AM – 12:30 PM
LGRC A301
Office
Hours
Tuesday.
2:30---3:30 pm
Teaching
Assistants:
They will be holding office hours that are open to students in all sections,
their office hours will be updated soon. The will occur in the late afternoons
on most days of the week at times and location
TBA. Students can obtain assistance with coursework during scheduled hours. An
appointment is not needed. The course TA's will also be scheduling review
sessions prior to each exam.
Matthew
Brown office:
1235L LGRT ph 5-4773 email:
mbrown@math.umass.edu
Jan Henry office 1235L LGRT ph 5-4773 email: henry@math.umass.edu
TAs
office hours:
Mondays,
Wednesdays: 4-5:30 pm room 1322 LGRT (Matt)
Tuesdays,
Thursdays: 4-5:30 pm room 0123 LGRT (Jan)
Prerequisites
for this course:
Calculus I,II. That is, a thorough knowledge and understanding of
differential and integral calculus in one variable; some acquaintance with the
basic notions of physical science, for the purposes of motivating and applying
differential equations; Calculus III (multi-variable) and Linear Algebra are
helpful, but not required.
Topics
covered in this course:
Text
: Differential Equations, 3rd
edition by P. Blanchard, R.L. Devaney and G.R. Hall.
Brooks Cole. (ISBN-10: 0495012653 ISBN-13: 978-0495012658) (required)
Grading
: There is a final exam worth 3/8
of the grade and one midterm exam worth 3/8 of the grade.
Homework will be assigned
weekly on this website and will not be collected for grading
correctness. But you need to turn in all of your homework after midterm
exam and before final exam. Complete homework will count 1/8 of the grade.
Online homework on Webwork will also be assigned weekly and will be graded
online. A quiz will be given occasionally without advanced notice ; The problems in the quiz are very similar to
those in homework. The grades for the homework on Webwork
and the quizzes will count 1/8 of the total grade.
It is VERY important to do homework.
Webwork: You can login your account on Webwork from
here
Your user name is the
words in your Umass email address before @,
Your password is your
student ID number. Please make sure you change your password once you login
your account.
Exam schedule : There will one midterm exam and
one final exam. The material covered in the first midterm will be announced in
time. The final exam will cover mostly the material of the second half of the
semester.
Other
policies:
Makeup exams: you must notify me
sufficiently in advance if you have a conflict with an evening exam or the
final with another exam or if you're unable to take an exam due to illness or
due to an emergency. I may require that you provide documentation for the
absence.
LDSS
accommodations:
If you require extended time on exams due to a disability, it is your
responsibility to contact your LDSS liason to make
arrangements.
Weekly
Schedule: Homework
Homework
:
Section 1.1: 3,
5, 19;
Section
1.2 :1, 5,7,9,11,15,21,23,25,27,33
Section 1.3 :
2, 3, 7, 8, 15, 17 (Note you are not required but strongly encouraged to use
the CD provided with the book)
Section 1.6 : 1, 13, 2, 14, 9, 21,
(these problems come in pairs!) 29, 31, 39
Section 1.8 : 1, 4, 8, 9, 20, 21, 22,
29, 31
Section 1.9 : 1, 3, 5, 7, 8, 13,
25
Section 3.1 : 5, 9, 16, 17,
18, 20, 21, 22, 23, 27, 29, 31, 32
Section 3.2 : 1, 2, 5,
7, 8 11, 12, 13, 19, 20, 21, 23
Section 3.3 : 1, 2, 5, 6, 9, 11, 13, 15, 19, 21
Section 3.4 : 1, 3, 5, 6, 9, 11, 12, 15, 16, 21, 23,
Section 3.5 : 1, 3, 5, 7, 9, 10, 11, 17, 18, 21, 22.
Section 3.6 : 1, 3, 4, 9, 10, 11, 13, 15, 19, 21, 23,
27
Section 3.7 : 1, 3, 4, 9, 10, 11, 12
Section 4.1 : 5, 6, 9, 11, 15, 16, 20, 21, 27, 28, 31, 39
Section 4.2 : 3, 4, 13, 14, 17, 18
Section 4.3 : 3, 4, 5, 10, 11, 12, 15, 16, 19, 21
Section
6.1 : 1, 2 , 7, 9, 11, 13, 15, 19, 22
Section
6.2 : 1, 4, 5, 7, 9, 10, 11, 14, 15
Section
6.3 : 11, 12, 15, 16, 27, 29, 30, 33
Section
6.4 : 2, 3,4, 5, 6
Section 6.6 : 1,2, 3, 5