Math 20D -- Winter 2011 -- 110 Peterson Hall, MWF 4-4:50PM


Textbook: Elementary Differential Equations, Boyce and Diprima, 9th edition

Office Hours: Monday 2-3PM, Wednesday 3-4PM, Friday 1-2PM, Office: AP&M 5220

Teaching Assistants: James Berglund, email: jberglun@math.ucsd.edu, office: AP&M 6446,
                                          
Office Hours:  Monday 1-3PM in office, Tuesday 10AM-12PM in Matlab Lab
                                          
                                           Jorge Gonzalez, email:
jlg005@math.ucsd.edu, office: AP&M 6414
                                          
Office Hours: Thursday  10AM-12PM in office, Thursday 1-2PM in Matlab Lab

                                           Mike Gao, email: tgao@math.ucsd.edu, office: AP&M 6452
                                           Office Hours: Tuesday 3:30-4:30PM in office, Wednesday 4-5PM in Matlab Lab


Course Policies and Grading:
All information concerning grading, homework and exams is in the course policies page.

Calendar and Syllabus:
Important dates and lecture schedule are in the course calendar. This calendar is subject to revision during the term.

Matlab Assignment Info: www.math.ucsd.edu/~math20d


Practice Problems: Problems for Midterm #1 are available here in pdf format.

                                                   Problems for Midterm #2 are available here in pdf format. Explanations on how to set up equations for the word problems are here in pdf format.

                                         Problems for the Final Exam are available here in pdf format. Explanations on how to set up equations for the word problems are here in pdf format.

Homework Assignments:


Homework #1: Due January 12th
  • Section 1.1:  2,6,18,19,20,23
  • Section 1,2:  3,12,13,14
  • Section 1.3:  1,5,8,12,18
  • Section 2.1:  15,20,22(bc),30,31
  • Section 2.22,4,7,14,30(abcde),32(bc)
Homework #2: Due January 19th
  • Section 2.3: 1,2,7,9,16,17
  • Section 2.4: 7,14,22
  • Section 2.5: 3,12,20,22
  • Section 2.6: 1,8,10,16
Homework #3: Due January 26th
  • Section 3.1: 1,4,9,12,18,23,25
  • Section 3.2: 5,14,23,24
Homework #4: Due February 9th
  • Section 3.3: 5,14,22,25
  • Section 3.4: 8,12,15,19,27
  • Section 3.5: 2,3,6,11,13
  • Section 3.6: 3,5,7,12,14
Homework #5: Due February 16th
  • Section 7.1: 1,2,6,19,20
  • Section 7.2: 1,2,5,22,23
  • Section 7.3: 1,16,17,19,20
Homework #6: Due February 23rd

For all of the problems that require drawing, please draw the phase plane, not the direction field.
  • Section 7.5: 3,4,7,15,29
  • Section 7.6: 3,4,10,13
  • Section 7.8: 2,3,4
Homework #7: Due March 9th
  • Section 7.9: 1,3,4
  • Section 5.1: 9,17,19,23
  • Section 5.2: 1,7,9
  • Section 5.3: 1,5,6,7
Extra Homework For Laplace Transform:
  • Section 6.1: 5(a,b), 11
  • Section 6.2: 5,8,12,15,21
  • Section 6.3: 1,5,7,9,15
  • Section 6.4: 1,2,5
  • Section 6.5: 1,2,7