Math 33B Differential Equations

Instructor:  Bokai Yan

Time and Location: ROLFE 1200, MWF 11:00am-11:50am

Textbook: Differential equations (second edition) by John Polking, Albert Boggess, David Arnold.

Office Hours: MS 5352, MW 1:30pm-3:00pm

Contact: byan@math.ucla.edu, 310-206-6958

 

Course information and Grading policy

Schedule of lectures  (Note: We may not strictly follow this schedule.)

Student Math Center

myUCLA (to check your grades)

Teaching Assitants


Anton Malyshev ( amalyshev@ucla.edu ), Office Hours: MS 3921 Thu 12:30pm-1:30pm

Frederick Robinson ( frobinson@ucla.edu ), Office Hours: MS 3969 Tue 10:00am-11:00am

Joseph Woodworth ( jwoodworth@ucla.edu), Office Hours: MS 6147 Wed 3:00pm-4:00pm

Exams:

Midterm 1 

11:00-11:50am Friday Oct 19, at ROLFE 1200 (discussion A,B,C,D) and DODD 147(discussion E,F)

Midterm 2 

11:00-11:50am Friday Nov 9,  at ROLFE 1200 (discussion A,B,E,F) and DODD 147(discussion C,D)

Final

8:00-11:00am Tuesday Dec 11, at BROAD 2100A (discussion A) and BROAD 2160E (discussion B,C,D,E,F)

Midterm 1 solutions

Midterm 2 solutions

Midterm 1 sample questions and solutions (part 1 and part 2). Skip question 5, 7, 8, 9.

Midterm 2 sample questions and solutions (part 1 and part 2). Skip question 3, 6, 7, 8.

Quizzes:

Quiz 1

Oct 9 / Oct 11  Solution

Quiz 2 

Oct 30 / Nov 1  Solution

Quiz 3

Nov 27 / Nov 29  Solution

 

Homework:

 

Homework 1, due Wednesday Oct 10 at the beginning of lecture

Sep 28 (F) Sec 2.1: 2, 10, 20, 34
Oct 1 (M) Sec 2.2: 6, 12, 16, 23, 24
Oct 3 (W) Sec 2.4: 4, 8, 14, 18
 

Homework 2, due Wednesday Oct 17 at the beginning of lecture
Oct 5 (F) Sec 2.4: 32, 38
  Sec 2.5: 2, 6, 8 (For #6, it should be 2gal/min in and 3gal/min out.)
Oct 8 (M) Sec 2.6: 6, 8, 10, 12, 14
Oct 10 (W) Sec 2.6: 22, 26, 32, 38
 

Homework 3, due Wednesday Oct 24 at the beginning of lecture
Oct 12 (F) Sec 2.9: 4, 10, 12
Oct 15 (M) Sec 2.7: 8, 10, 29 (For #29, change the question to " Show that y(t)>-1 for all t for which y is defined. ")
Oct 17 (W) Sec 4.1: 14, 22, 24
 

Homework 4, due Friday Nov 2 at the beginning of lecture
Oct 22 (M) Sec 4.3: 2, 18, 20, 26, 35
Oct 24 (W) Sec 4.3: 10, 14, 28, 36
  Sec 4.4: 8, 12, 14
Oct 26 (F) Sec 4.4: 18, 24 (For #24, take the gravitational constant to be g=10 m/s^2.)
Oct 29 (M) Sec 4.5: 4, 8, 17, 20, 28, 34, 40, 42
 

Homework 5, due Wednesday Nov 14 at the beginning of lecture
Oct 31 (W) Sec 4.6: 7, 8, 10, 14
Nov 2 (F) Sec 8.4: 18, 20
Nov 5 (M) Sec 9.1: 6, 8, 18, 20, 25, 26 (For #18, 20, 25, 26, write down the general solution.)
Nov 7 (W) Sec 9.2: 8, 10, 12
 

Homework 6, due Friday Nov 30 at the beginning of lecture
Nov 14 (W) Sec 9.2: 15, 22, 24 (For #15, use Proposition 5.12 instead of Proposition 5.2.)
Nov 16 (F) Sec 9.2: 28, 35, 38, 40
Nov 19 (M) Sec 9.3: 11, 12, 14
Nov 21 (W) Sec 9.3: 18, 20, 21
  Sec 9.4: 1, 2, 3, 4 (You can use the pplane as a numerical solver.)
Nov 26 (M) Sec 9.5: 8, 16, 22, 32
 

Homework 7, not collected
Nov 28 (W) Sec 8.4: 29
  Sec 9.5: 54 (You can use computer to plot your solution.)
Nov 30 (F) Sec 9.5: 33, 34
  Sec 9.6: 1, 5
Dec 3 (M) Sec 9.6: 19, 21, 27, 29, 35, 37
Dec 5 (W) No Homework.
Dec 7 (F) No Homework.

 

 

last updated: 12/05/2012