MATH 441 (Fall 2026): Differential Equations

Brachistochrone by Henk Ovink, Zernike, Groningen (Netherlands). Picture taken from Wikimedia Commons. Click here for a nice video on the Brachistrochrone by Prof. Steven Strogatz.

Syllabus. MATH 441 – Syllabus (Fall 2026)

Office hours. Tuesdays 15:35-16:25, Harker Hall, Room 314i.

Lecture notes and Exercises.

Unit #Lecture notesExercises
1Introduction and first-order ODEsExercises
2Second-order linear ODEsExercises
3The Laplace transformExercises
4Series solutions of second-order ODEsExercises
5Linear systems of ODEsExercises
6Nonlinear systems of ODEsExercises
7Intro to numerical methods for ODEsExercises

Assignments. Your solutions must be handwritten; I will not accept typed solutions unless you have an accommodation. All assignments are to be handed in class by 11 AM on the due date.

HomeworkDue dateSolutions
Homework 1Sep 9Solutions
Homework 2Sep 18Solutions
Homework 3Extended to Oct 5
Homework 4Oct 16
Homework 5Oct 30
Homework 6Nov 13
Homework 7Dec 4

Quizzes. Each quiz is in class and 50 minutes long.

QuizSolutionsDateNotes
Practice Quiz 0Solutions
Practice Quiz 1Solutions
Practice Quiz 2
Practice Quiz 3
Mock QuizSolutionsSep 25Ungraded. 1% bonus point if attempted in class.
Quiz 1Oct 9Graded
Quiz 2Nov 6Graded
Quiz 3Nov 18Graded

Final exam. The final exam is scheduled to take place on Wednesday, December 16th, between 8:00 and 11:00 AM.

External resources.