JK Contradance calling
L0 Contradance program
L1 Contradance program
L2 Contradance program
L3 Contradance program
L4 Contradance program
L5 Contradance program
Michael Dyck's Contradance Index
Footnote, good books
SeLo 2020t, both sections
Spr2019: MAP2302 3731 Elem.Diff.Eqns MWF9 [16:05-16:55] LIT113 (SW)
Individual Optional (DiffyQ) project
...will be due
my office door (Little Hall 402, Northeast corner)
2PM, Thur., 25Apr2019.
must be carefully typed,
but diagrams may be hand-drawn.
At all times have a paper copy you can hand-in; I do
Print out a copy each day, so that you always have the latest version to
hand-in; this, in case your printer or computer fails.
(You are too old for
My dog ate my homework.)
Please follow the guidelines on the
(pdf, 3pages) to earn full credit.
Our Teaching Page
has useful information for students in all of my classes.
It has my schedule,
and Usually Useful Pamphlets.
One of them is the
which gives pointers on what I consider to be good mathematical
Further information is at our
(I email this private URL directly to students).
In all of my courses,
attendance is absolutely required
(excepting illness and religious holidays).
In the unfortunate event that you miss a class, you are
responsible to get all
Notes / Announcements / TheWholeNineYards
from a classmate, or several.
All my classes have a
Material to learn
- Look Ma! All 10+bonus+bonus
DfyQ quizzes (pdf).
- The useful
Euler-Mascheroni constant and Gamma (pdf).
W: Gamma fnc and
A place where the Polor-coordinate Trick is used, is
the normalizing constant of the
For the curious:
The Gamma fnc, and Volume of the n-ball (pdf).
- The Laplace transform (pdf)
has an example, a simplification of tapping on a bell.
Also available is a small
Table of Laplace transforms (pdf).
Citizens United in applauding the
with its nifty-diffty trusty-dusty compendium of short-answer questions.
- Algorithms for solving some differential equations (pdf) [DiffyNotes].
[I use this for class lectures. Our textbook will be used for reading assigments
and as a problem-reservoir.]
Folks found themselves
Hooked by the suspenseful
people hanging on
to the edge of their seats, ready to
spring into action EXACTly when the
situation was critical; nothing could damp their enthusiasm!
A smash hit!,
with its clean two-tone format, and nifty freebie (S1a) question.
For the polynomial-degree question, examples
Syllabus has exam dates;
Same syllabus as a PDF.
W: Complex number.
W: (skim) Linear DE.
W: Exponential function.
- W:(skim) Differential Eqn.
- Read eventually: W:
FTODE, Picard-Lindelöf theorem.
- The Math-Greek alphabet (pdf).
The various DiffyQ czars who help out.
||Alex B. & Celeste
Fundamentals of Differential Eqns with Boundary
Author: Nagle, Saff & Snider.
[While that is the official textbook, you may use the 6th, 7th,8th, or 9th editions.]
We will also use Wikipedia and perhaps other online sources.
Good engineering practice
Bad engineering practice.
JK Home page