# Ordinary Differential Equations, Kreider, Fall 2015

Policy sheet and syllabus

Suggested homework problems

Office Hours: 10:00-11:15 MWF and 3:00-4:00 TTh, CAS 273

## Collected Work Schedule

HW1, due Fri 4 Sep

HW1 key

HW2, due Fri 11 Sep

HW2 key

HW3, due Fri 18 Sep

HW3 key

HW4, due Fri 25 Sep

HW4 key

HW5, due Mon 5 Oct

HW5 key

HW6, due Mon 12 Oct

HW6 key

HW7, due Mon 19 Oct

HW7 key

HW Bonus, due Fri 23 Oct

Bonus key

HW8, due Wed 28 Oct

HW8 key

HW9, due Fri 6 Nov

HW9 key

HW10, due Mon 16 Nov

HW10 key

HW11, due Mon 23 Nov

HW11 key

HW12, due Wed 2 Dec

HW12 key

HW13, due Fri 11 Dec

HW13 key

## Sundries

#### Exam 1 material

Integration review

Visualizing solutions

Direction Fields

3 worked problems

5 more worked problems

Note on exact equations

Modeling Problem Worksheet

Review problems

Preparation for Exam 1

Quick Skills Review for Exam 1

Quick Skills Review for Exam 1: Key

Worksheet for Exam 1

Worksheet Key

Exam 1 Sample A

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

Exam 2 Class Review Answers

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

Preparation for Final Exam