LECTURER: Arthur Heinricher, Stratton 202A, 831-5397, heinrich@wpi

OFFICE HOURS: M, F, 10:00--10:50; Tu, Th, 2:30--3:50, and by appointment.

TEACHING ASSISTANT: Olga Dunaevskaya, Stratton 104, 831-5546, dnepr@wpi

TEXT: *Differential Equations for Mathematics,
Science, and Engineering* by Paul W. Davis.

WEB PAGE:
`http://www.math.wpi.edu/Course_Materials/MA2051C97/`

**About the Course:**
MA2051 is about Differential Equations--equations involving
rates of change.
This course is a capstone for the calculus sequence and you will
use the tools developed during the calculus sequence.
The focus of the course will be on the *analysis and
interpretation* of solutions, not on simply finding the
solution. Thinking is required.

**Course Goals:** During the next seven weeks, you should learn how
to:

1. Formulate mathematical models using differential equations.

2. Solve differential equations, both analytically and numerically.

3. Analyze and criticize the solutions in terms of the original model.

**Course Structure:**
There are three lecture meetings and two conference sessions each
week.

The purpose of the lecture meeting is to outline the course
material, to introduce tools and approaches to building and solving
differential equations.
The purposes of the conference sessions are to preview materials
to be presented in lecture, to study in more detail materials already
introduced in lecture and in the text, and to explore aspects of
differential equations that are not discussed in lecture.
*The conferences are much more than help sessions for
homework.*

You will form ``learning groups'' of three students within your conference section. Projects will be done in this group framework; the group hands in one paper. You are encouraged to work in groups on the homework problems, but each individual must submit his or her own paper for grading.

**Grading Scheme:**

Your course grade will be based on two test grades,
a homework grade, and a project grade.
A perfect score will be 400 points and the minimum needed
for an **A** will be 360 points, the minimum
needed for a **B** will be 320 points, and the minimum needed
for a **C** will be 280 points.
TESTS:

There will be two (in-class) tests worth 100 points each:

TEST 1: Wednesday, February 5

TEST 2: Wednesday, March 5

There will be a re-test scheduled after each of the regular tests.
If you are not happy with your score on the first test, you have the
option to take the re-test.
The maximum score on each re-test will be 85 points.
In addition, if you choose to take the re-test, this will be your score for
the test. (You do not get to keep the higher of the scores on the
regular test and the re-test.)

HOMEWORK:

At least ten homework sets will be collected during the term and a final homework average adjusted to a 100 point scale.

Problem sets will be selected from the list of recommended problems and announced at least one day before they are due. One or two problems will be chosen from those collected and graded in detail; this will be your grade for the homework set. At the end of the term, the two lowest homework grades will be dropped and the average adjusted to a 100 point scale.

The homework will often include material that has not been discussed in lecture. You are expected to learn on your own and to make use of the text, the conference session, and other resources available to you in order to complete these assignments. (This is what WPI is all about!)

*No late homework will be graded.*
Your explanations and presentation are graded; not just
the final ``answer''.
Sloppy homework will be returned ungraded and you get a
zero; no kidding.

Include your name and section as well as the due date on each homework set. Label all problems clearly with their number and section. Some assignments will require that you use computer software to solve differential equations. You may use any package that you wish (MATLAB and MAPLE are obvious choices), but you must include copies of the appropriate computer output with your write-up. Initial and date each printout. PROJECTS:

You will complete two projects during the term, each worth 50 points.

The projects will be introduced in the conference sessions. Working in your learning group, you will complete both project assignments and you will evaluate the work of another team on each project. Express yourself clearly and concisely and address the report to your peers; they will be evaluating your work.

BONUS POINTS: There will be several opportunities to collect bonus points during the term. Some of these points will be for special quizzes and some special problems announced in the lecture and/or the conference session.

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