# Ordinary Differential Equations, Kreider, Summer 2019

Policy sheet and syllabus
Suggested homework problems
Anticipated schedule
Office Hours: 11:30-12:30 MTTh and by appointment, CAS 220

Quiz 1 key
Quiz 2 key
Quiz 3 key
Quiz 3B key
Quiz 4 key
Quiz 4B key
Quiz 5 key
Quiz 6 key
Quiz 6B key
Quiz 7 key
Quiz 8 key
Quiz 9 key
Quiz 10 key
Quiz 11 key
Quiz 12 key
Quiz 13 key
Quiz 14 key
Quiz 15 key
Quiz 16 key
Quiz 17 key
Quiz 18 key
Quiz 19 key
Quiz 20 key

## Sundries

#### Exam 1 material

Integration review
Visualizing solutions
Direction Fields
An implicit solution: -xy+y*sin^2(x)+2*exp(xy^2)=3
First Order Application Worksheet
Application Worksheet Annotations
Note on exact equations

Preparation for Exam 1
Quick Skills Review for Exam 1
Quick Skills Review for Exam 1: Key
Practice Problems
Exam 1 Sample A (ignore problem #1)
Exam 1 Sample A Key
Exam 1 Sample B
Exam 1 Sample B Key

#### Exam 2 material

Euler's Formula
Higher Order Solution Forms
Undetermined coefficient examples
Answer Key for Spring Mass Worksheet
Interpretation of spring mass systems
Some second order problems
Second order answer key
Setting up spring mass problems
Concept Worksheet for Exam 2
Concept Worksheet answer key
Exam 2 Class Review Sheet

Preparation for Exam 2
Quick Skills Review for Exam 2
Quick Skills Review for Exam 2: Key
Exam 2 Sample A
Exam 2 Sample A Key
Exam 2 Sample B
Exam 2 Sample B Key

#### Exam 3 material

Laplace Transform Table
Partial fraction forms
Partial fraction examples
Example A details
Shifting examples

Preparation for Exam 3
Quick Skills Review for Exam 3
Quick Skills Review for Exam 3: Key
Typical types of problems
Typical types: solutions
Exam 3 Sample A
Exam 3 Sample A Key
Exam 3 Sample B
Exam 3 Sample B Key

A series example with and without sigma notation, to show the sigma notation helps at the end of a problem
Final Exam Review Problems

Preparation for Final Exam