Differential Equations
MWF 1:25-2:15, Boyd 304
Instructor: Jo Hoffacker
Office : Boyd 526
Office Phone: 542-2210
Email: johoff@math.uga.edu
Office Hours: MWF 12:00-1:15 or by appointment
Important Dates:
Aug 19 - classes start
Sept 2 - Labor day
Sept 20 - Exam 1 - practice
exam 1
Oct 15 - midpoints withdrawl
deadline
Oct 25 - Exam 2 - practice
exam 2, take home exam
Oct 31-Nov 1- fall break
Nov 11 - mini-exam over Variation
of Parameters
Nov 27-29 - Thanksgiving Break
Dec 4 - Exam 3 - fundamental
matrix, e^(At), phase diagrams, nonlinear systems
Dec 9 - last day of class
Thursday December 12 - 12:00-3:00
pm in Boyd 304 - final exam TAKE HOME PART
Homework Information:
Examples of phase planes: lect2.mws
| Section | Problems | Due date (at start of class) |
| 5.3 | #3, 9, 11, 14 | Monday Nov 11 |
| 5.6 | #15, 16 | Friday Nov 8 |
| 5.6 | #1-13 odd | Wed Nov 6 |
| 5.5 | #1-15 odd, 21, 35 (not #7) | Monday Nov 4 |
| 5.4 | #1-6 | Monday Oct 22 |
| 5.2 | #1-15 odd | Monday Oct 22 |
| 5.1 | #1, 7 (use A_1), 13, 23, 32. Beware the typo in the solutions for 23. | Friday Oct 19 |
| 3.5 | #1-10, 31-35, 47-52 solutions to evens: sec35even.pdf |
Monday Oct 7 |
| 3.3 | #1-35 odd | Monday Sept 30 |
| 3.1 | #1-13 odd, 21-25, 33-42 | Friday Sept 27 |
| 2.1 | #2-6, 8, 15, 16, 19, 20, 23 | Wed Sept 11 |
| 1.6 | #1-15, 21-27, 31-39, odd problems only | Friday Sept 6 |
| 1.5 | #1-25 | Wed Sept 4 |
| 1.2 1.4 |
#25 #35, 45, 48 |
Friday Aug 30 |
| 1.4 | #1-11 odd #19-28 |
Wed Aug 28 |
| 1.3 1.2 |
#21-30 #1-10 |
Monday Aug 26 |
| 1.3 | #6, 8 - use Maple to make one slope field with all the solution
curves on it #11-20 - use Maple to make slope fields. Then find general isocline equation, and draw 3 of them on the slope field by hand. |
Friday Aug 23 |
Mini-Projects
Project 1 - Modeling Populations ![]()
Project 2 - Approximation Methods ![]()
Maple Worksheets:
Systems of DE's fox.mws
Slope and direction fields slopefield.mws
Plotting data from a table points.mws
Euler's Method approx.mws