# Course Information

MATH225:Differential Equations - Classical techniques for first and higher order equations and systems of equations. Laplace transforms. Phase plane and stability analysis of non-linear equations and systems. Applications to physics, mechanics, electrical engineering, and environmental sciences.

Prerequisite: Instructor Consent. 3 hours lecture; 3 semester hours.

## Instructor Information

Instructor : Scott Strong

Office : Chauvenet Hall 278

Office Phone : 303.384.2446

email : math225.field2008@gmail.com

## Course Calendar

Classes Begin : May 12th, 2008

Meeting Days : Monday, Tuesday, Wednesday, Thursday

Meeting Time : 10:00am-11:45am

Meeting Location : Green Center 265

Important Dates :

    May 16th, 2008 - Last day to add/drop without a W
May 26th, 2008 - Memorial Day
June 6th, 2008 - Last day to withdrawal



Classes End : June 19th, 2008

## Office Hours

Fixed Office Hours :

    Monday, Tuesday, Wednesday, Thursday --- 12:00pm-1:00pm


If you cannot meet during the previous office hours then please contact me to schedule another meeting time.

## Textbook Information

    Textbook : Differential Equations - P. Blanchard, R. Devaney, and G. Hall, (PWS, Boston: 1996) ISBN 0-534-95004-3
Second edition errata.
Textbook Website : The Boston University  - Ordinary Differential Equations Project
Publishers Website : Blanchard, Devaney, Hall Companion Site



# Course Documents

## Handouts

MATH225 : Sample Exam

A student asked me to post this so that you could get some idea of how I might phrase my questions. You shouldn't study this exam. These questions will not appear on your quiz or any exam I will give you. Merely use this to understand how I might ask/phrase questions.

### Syllabus

MATH225 : Course Syllabus

### Laplace Transform Information

MATH225 : Laplace Transform Table

### Chapter 5

Graphs from 5.1 example
Graphs from linearized center example
Fractal/Chaos Presentation

## Material Ovierview

    Instructor's Online Manual Third Edition
Instructor's Online Manual Second Edition


    Dynamical System (overview)
Dynamical System (mathematical formalism)
Determinism
Dynamical System
Text Software : BDH
BU DE Project : Animations