** Announcements: **

- Tutoring is available for this class in 445 Altgeld Hall at the following times: MTW 4-8 pm, Thursdays 4-6 pm only.
- Review session is on Thursday, December 10, from 11 am to 1 pm in class.
- Final exam is on Friday, December 11, from 8 am to 11 am in class.

**Room: ** 156 Henry Bldg.

**Time: ** TTh 11:00 am - 12:20 pm

** Lecturer: ** Eduard-Wilhelm Kirr

- Office: 245 Illini Hall
- E-mail: ekirr@math.uiuc.edu
- Phone: 5-5418
- Office hours:
- Tuesdays 4:00 - 5:00 pm
- Wednesdays 2:00 - 3:00 pm
- Also by appointment

** Midterm 1: ** September 17, in class. Counts for 20% of your grade.

- Review for Midterm 1 in mht format and in pdf format .
- Midterm 1 Solutions.

** Midterm 2: ** November 5, in class. Counts for 20% of your grade.

- Review for Midterm 2 in mht format and in pdf format .
- Midterm 2 and Solutions.

** Final Exam: ** 8:00-11:00 AM, Friday, December 11, in 156 Henry Bldg. Counts for
40% of your grade.

- Review session for the Final will be held Thursday, December 10, from 11 am to 1 pm in 156 Henry Bldg.
- Review for Final in mht format and in pdf format

** Test Policies:** You may not use books, notes, calculators or computers during any of these tests.
Make up tests will be given only if you present written evidence, as
soon as possible, that you did (or will have to) miss an exam for a
legitimate reason, e.g. illness or family emergency. Travel and
leisure plans are never a legitimate reason.

**Computing:** Math 285 usually has a computer component for which the class meets in a
lab. Due to logistical issue I
will drop this requirement. However, understanding how numerical methods/computer simulations try
to resolve differential equations remains part of the syllabus. The simulations will be done in
class by me but I recommend that you familiarize yourself with a programming language and try to
run the simulations independently.

**Syllabus:** Basic introduction to the study of differential equations; topics include: first order ODE's, higher order linear ODE's, Fourier series and separation of
variables. Click here for more details.

** Text: ** C. H. Edwards and D. E. Penney, * Differential Equations and Boundary Value Problems: Computing and Modelling
*, Custom Edition for the University of Illinois at Urbana-Champaign, Pearson Custom Publishing, 2008. Note: This custom edition is taken from Edwards and Penney,
Differential Equations and Boundary Value Problems: Computing and Modelling, Fourth Edition. It is identical to the fourth edition except that Chapters 5, 6, 7, and 8
have been removed. If you would prefer to use the full fourth edition, this should not be a problem. The full fourth edition is the standard text for Math 286.

** Homework:** Assignments will be given weekly (about 12 total). I will not collect or grade
the homework. However, problems from homework will make up the weakly quiz, see below. I
strongly recommend that you carefully work out each problem and write up the solution using the
model exercises presented in class. If you have any questions you should ask them in class or come
to the office hours. Check back this page for actual assignments.

- Homework 1
- Homework 2 .
- Homework 3
- Homework 4
- Homework 5
- Homework 6
- Homework 7
- Homework 8
- Homework 9
- Homework 10
- Homework 11
- Homework 12
- Homework 13

** Quizzes: ** There will be a 10-15 minutes quiz almost every week. They will count for 20% of your grade. You may not use books,
notes, calculators or computers during any of these quizzes. Each quiz will contain problems
selected from the current homework assignment. Make up quizzes will not be given but your lowest two quiz scores will be dropped.

- Quiz 1 and solutions
- Quiz 2 and solutions
- Quiz 3 and solutions
- Quiz 4 and solutions
- Quiz 5 and solutions
- Quiz 6 and solutions
- Quiz 7 and solutions
- Quiz 8 and solutions

** Miscellaneous: ** Your assignments and exam
scores will be stored on a secure server. You can access your scores using your NetId and Password by
following the Score Reports link found
here . The algorithm on the
server also gives you a letter grade based on your
* current * scores and the curve: A for 90% and up, B
between 80% and 89.9% , C between 70% and 79.9%, D between 60%
and 69.9% and F below 60%.

** Lecture Notes: ** The mht format
has colors and other enhancements like an ActiveX control that you should
allow for easy navigation. If your browser cannot open it use the pdf file:

- Notes from Lecture 1 in mht format and in pdf format.
- Notes from Lecture 2 in mht format and in pdf format .
- Notes from Lecture 3 in mht format and in pdf format .
- Notes from Lecture 4 in mht format and in pdf format .
- Notes from Lecture 5 in mht format and in pdf format .
- Notes from Lecture 6 in mht format and in pdf format .
- Notes from Lecture 7 in mht format and in pdf format.
- Notes from Lecture 8 in mht format and in pdf format and Handout 2, which deals with errors in numerical methods.
- Notes from Lecture 9 in mht format and in pdf format .
- Notes from Lecture 10 in mht format and in pdf format, and the Handout about determinants in mht format and in pdf format.
- Notes from Lecture 11 in mht format and in pdf format.
- Notes from Lecture 12 in mht format and in pdf format.
- Notes from Lecture 13 in mht format and in pdf format.
- Notes from Lecture 14 in mht format and in pdf format.
- Notes from Lecture 15 in mht format and in pdf format.
- Notes from Lecture 16 in mht format and in pdf format.
- Notes from Lecture 17 in mht format and in pdf format.
- Notes from Lecture 18 in mht format and in pdf format.
- Notes from Lecture 19 in mht format and in pdf format.