Math 20D: Introduction to Differential Equations  Winter 2006.
ASections. Professor: Cristian D. Popescu
General Information Texts Syllabus
Homework MATLAB Exams Grading Weights
General Information
 Office Hours:
Professor: Cristian Popescu, MW
11:0012:00 in AP&M 6256. Phone: 8585346247. Email:
cpopescu@math.ucsd.edu.
TA for A0102: Caleb
Emmons, MW 34:30 and by appointment, in AP&M 5760.
Email: cemmons@math.ucsd.edu.
TA for A0304: Barry Smith, M 12, W 911 (AP&M 5802), M
1212:50 (CLICS, Mezzanine). Email: barryrsmith@gmail.com
Texts
Approximate
syllabus. Please read the text BEFORE the lecture!
week 
ending

Monday 
Wednesday 
Friday 
1

Jan 13

11.1 
11.2

11.311.4 
2

Jan 20

Holiday

11.5 
11.611.7 
3

Jan 27

11.89 
11.10 
11.12 
4

Feb 3

Review

Exam 1

1.11.2

5

Feb 10

1.21.3

2.1

2.22.3

6

Feb 17

2.3

2.5

2.62.4

7

Feb 24

Holiday

3.1

3.23.3

8

Mar 3

Review

Exam II

3.43.5

9

Mar 10

3.5

3.6

3.7

10

Mar 17

5.1

5.25.3

6.16.2



Final Exam



FINAL EXAM: Monday, March 20, 811am. Location:
PCYNH 106.
Final exam topics: all sections covered in class, except for Sections
6.16.2
(Boyce and DiPrima).
You will be provided with a sheet
with formulae identical to this one !
Please DO NOT bring your own formula sheet !
HW #1 Due on Jan 19. Leonardo
Fibonacci (11701250) lived in Pisa, Italy.
Stewart 5th ed.
11.1 # 3, 13, 16, 19, 32,
42, 46, 54, 59, 63
11.2 # 8, 21, 27, 39, 65
11.3 # 2, 7,17, 20, 25, 29, 32
11.4 # 4, 21, 29, 36
MATLAB #1
HW #2 Due on Jan 26. Bernhard
Riemann (18261866) lived in Germany.
Stewart 5th ed.
11.5 # 3, 13, 30, 32
11.6 # 7, 8, 20, 31
11.7 #2, 9, 12, 25. 26, 31
MATLAB #2
HW #3 Due on Feb 2. Brook
Taylor (16851731) lived in England.
Stewart 5th ed.
11.8 #3, 12,25, 29, 35
11.9 # 2, 4, 11, 20,
37
11.10 #2, 7, 8, 14, 34
11.12 #25, 26, 27, 29, 31
MATLAB #3
Exam 1  Wednesday, Feb. 1. Topics  sections 11.111.12
(except for 11.11) from Stewart. Sample
Midterm I. More old
exams.
CALCULATORS, NOTEBOOKS, OR TEXTBOOKS ARE NOT
ALLOWED.
HW #4
Due on Feb 9. The Bernoulli family
Jacob,
Johann ,
Nicolaus ,
Daniel ,
Nicolaus(II) ,
Johann(II) ,
Johann(III) ,
Jacob(II) lived mostly in Switzerland around 1700.
Boyce & DiPrima 7th ed.
1.1 # 4, 6, 22
1.2 #1
1.3 # 1, 2, 5, 7, 8,
9, 11, 12
MATLAB#4
HW #5 Due on Feb 16. Josef
Wronski was born 1778 in Poland and lived mostly in France.
Boyce & DiPrima 8th ed.
2.1 # 3, 6, 10
2.2 # 3, 10, 11
2.3 # 7, 14
MATLAB #5
HW #6 Due on Feb 23. Niels
Abel was born 1802 in Norway and died at the age of 27. Last
year, the Norwegian government began funding a yearly million dollar Abel Prize for
mathematics.
It is hoped to become the analogue of the Nobel Prize in the
other sciences.
Boyce & DiPrima 8th ed.
2.4 # 25, 27, 29
2.5 # 3, 4
2.6 # 4, 10, 21
HW #7 Due on Mar 2. Pierre
Laplace (17491827) lived in France.
Boyce & DiPrima 8th ed.
3.1 # 1, 4, 8, 17, 21
MATLAB #6
Exam 2 
Wednesday, Mar 1. Topics  Sections 1.11.3, 2.12.6
3.13.3 of Boyce
& DiPrima. Sample Midterm II.
More old
exams.
CALCULATORS, NOTEBOOKS, OR
TEXTBOOKS ARE
NOT ALLOWED.
HW #8. Due on
Mar 9.
Boyce and DiPrima, 8th ed.
3.2 # 2, 4, 9, 10
3.3 # 1, 4, 6, 15, 16
3.4 # 1, 10, 22, 28, 29
HW #9 Due on Mar 16.
Boyce & DiPrima 8th ed.
3.5 # 6, 14, 18, 38
3.6 # 6, 13, 32, 33, 35
3.7# 1, 2, 5, 10
5.1 # 17, 21, 22, 28
MATLAB #7
HW #10
(will not be collected).
Boyce and DiPrima, 8th ed.
5.2 # 1, 2, 11, 19, 22
5.3 # 1, 4, 7, 10, 18
6.1 #
6.2 #
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Review Session for
final exam: Saturday, March 18, 1:002:30pm; PCYNH 106.
Final Exam schedule and location: Monday, March 20, 811am, in PCYNH
106. Sample Final Exam with Solutions. More
old
exams.
Final exam topics: all sections
covered
in
class, except for 6.16.2 (Boyce and DiPrima text.)
You will be provided with a sheet with
formulae
identical to this one ! Please DO NOT
bring
your own formula sheet !
CALCULATORS,
NOTEBOOKS,
OR
TEXTBOOKS ARE NOT ALLOWED.