Office : South Hall, Room 6502
Telephone: 805-893-3878
Email : sjoo at math.ucsb.edu
Office Hours: Monday 3:30-5:00pm and Thursday 9am-10:30am, or by appointment
Course homepage : http://www.math.ucsb.edu/~sjoo/Courses/ma119A.html
Textbook: Differential equations and dynamical systems, by Lawrence Perko, 3rd edition.
Course Description: Math 119A is the first course of a two quarter sequence in Ordinary Differential Equations. Topics include solutions of first order linear systems, existence and uniqueness of first order nonlinear systems, phase plane analysis, stability theory of equilibrium solutions, some qualitative theory. This material is covered in chapters 1-2 of the textbook.
Assignments and Grading Policy: Homework will be assigned on Fridays, and will be collected at the beginning of the class on the following Friday. Late homeworks will not be accepted. Please make sure that your name and perm number are written on your paper and staple your papers together. You are encouraged to discuss homework problems with other students in the class; however, you must write up all of your solutions on your own.
Quiz:
Tests: There will be a midterm and a final exam. Make-up exams will only be given in exceptional circumstances, and then only when notice is given to me before hand and a suitable written excuse forthcoming.
Grading:
Resource
Announcement
Assignments:
| Week |
Due Date |
Sections |
Homework Problems |
| 1 | Jan 20 | 1.1 1.2 |
1(b),(d), 6 1(b),2,3(a) |
| 2 | Jan 22 | 1.3 1.4 |
5, 6(b) 4,5 |
| 3 | Jan 29 | 1.5 1.6 1.7 1.8 |
1(a),(c),(d) 3 1(a),(c) 2(e),6(c),(f) |
| 4 | Feb 5 | 1.9 1.10 |
2 2(This section will be covered on Monday, Feb 1.) |
| 5 | Feb 26 | 2.1 2.2 |
1(a),(b), 2(a), 3 2 |
| 6 Solution | Mar 8 | 2.1 2.3 2.4 |
4 1 1(a),(d), 2 (a),(b) |
| 7 (not to be collected) | 2.5 2.6 |
1,5 1 |