21-260: Differential Equations


Scheduling Information

Exam Time:
Lecture 1: 9:30-10:20 (regular class time) on Wednesday 22 October.
Lecture 2: 10:30-11:20 (regular class time) on Wednesday 22 October.

Review Session:

Time: Monday, 20 October, 7:00-8:30pm
Place: DH 1212

Office Hours: Changes for Exam Week

Check with your TA for any changes to their regular schedule.

Homework: You may pick up your graded HW#8 (as well as earlier homeworks, if you have not already done so) from your TA during Recitation on Tuesday 21 October.


Exam #1 Review:

Read:

Section 3.1, pp. 129-135.
Section 3.2, pp. 137-140.
Class Notes - September 24 (General solutions for linear, homogeneous, constant coefficient equations).
Section 3.6.
Section 3.8, pp. 186-195.
Section 3.9.
Section 6.1.
Section 6.2.
Section 6.3.
Section 6.4.
Section 6.5.

Reference Table: You will be given a table of Laplace Transforms to use during the exam. I will post that table here once I have it written up (Probably Saturday).

Exercises:

Section 3.1 #7, 8, 11, 13, 17.
Section 3.2 #8, 11, 16, 21.
Section 3.4 #7, 9, 17, 19, .
Section 3.5 #3, 5, 11, 13.
Section 3.6 #1, 9, 13, 17.
Section 3.8 #7, 8, .
Section 3.9 #1, 9, 11.
Section 6.1 #3, 4, 7, 11, .
Section 6.2 #1, 3, 5, 13, 15.
Section 6.3 #7, 9, 13, 15.
Section 6.4 #1, 3, 11, 21.
Section 6.5 #1, 3, 5, 19.

Previous Exam Problems:

All of these problems (or versions of them) were given as 21-260 exam problems in a previous semester. Available as a pdf file. Here is the table of Laplace Transforms you will be given with the exam.