MATH 308-508
Differential Equations
Fall 2015
Instructor: Florent Baudier
Office: Blocker 525C
Office hours: MW 11-noon
Lectures: MW 5:45-7:00 p.m., Blocker 128
Course description: Ordinary differential equations, solutions in series, solutions using Laplace transforms, systems of differential equations.
Textbook: Boyce and DiPrima, Elementary differential equations, Custom TAMU Edition.

Each student enrolled in MATH 308 has purchased access to the Wiley e-Text for the course and will receive an email from Barnes & Noble at Texas A&M apprising for your personal redemption code and access instructions.
e-Text redemption codes will be emailed to your student's NetID@email.tamu.edu address and will be distributed in two separate batches:
*1st distribution (includes every student enrolled as of 8:00am, Monday, August 31) - scheduled Tuesday, Sept 1
*2nd distribution (includes students who enrolled between 8:00am Aug 31 and 5:00pm Sept 4) - scheduled Monday, Sept 7
If you have problems, please:
1st - check your "junk mail" and/or "trash" folders for the email message from Barnes & Noble
2nd - email the Barnes & Noble bookstore at textbooth@tamu.edu.

Loose-Leaf version
If you would like to purchase a paper copy of Boyce/DiPrima's textbook (in addition to the e-Text), a "Loose-Leaf" version is available at Barnes & Noble at Texas A&M.
Exams
In-class exam #1: Monday September 28, 2015, version A version B
In-class exam #2: Monday November 02, 2015, version A version B
Final exam: Friday December 11, 2015 7:30-9:30 a.m. in the regular classroom.
Course material
Method of variation of parameters (for a second order linear ODE)

Laplace transforms

Systems of differential equations
Practice problem sets and quizzes
Practice problem setProblems from the bookQuiz
#1 Section 1.1: #5, #12, #21, #24
Section 1.2: #1 a) with y0=0, 1, #1 b) with y0=0, #2 c) with y0=-1, #8, #13, #18, #19
Section 1.3: #1, #4, #23
Section 2.1: #5 c), #10 c), #12 c), #14, #16, #17, #19
#22 b)(and c) optional), #24 b), #39, #40, #41, #42
#1, Wednesday 09/09 solution
#2 Section 2.2: #2, #3, #5, #7, #8, #32 a) and b), #35 a) and b),
#36 a) and b), #37 a) and b), #38 a) and b),
Section 2.5: #3, #4, #10
#2, Wednesday 09/16 solution
#3 Section 2.5: #3, #4, #10
Section 2.6 : #1, #2, #4, #8, #10, #11, #13, #16, #20, #21, #25, #26, #28
#3, Wednesday 09/23
solution

#4 Section 3.1: #1, #6, #8, #13, #16, #21
Section 3.2 : #5, #13, #17, #24
Section 3.3 : #9, #14, #19
Section 3.4 : #3, #5, #13
#4, Wednesday 10/07 solution
#5 Section 3.5 : #1, #2, #7, #13
Section 3.6: #2, #4, #5, #6, #7, #8, #9, #10
#5, Wednesday 10/14 solution
#6Section 6.1: #1, #2, #5 a) and b), #6, #7, #8, #9, # 10, #15, #16
Section 6.3: #1, #2, #4, #6, #7, #12, #13, #17, #30, #31
#6, Wednesday 10/21 solution
#7Section 6.2: #1, #2, #3, #4, #5, #6, #7, #8, #9, #10, #11, #17, #21
Section 6.3: #1, #2, #4, #6, #7, #12, #13, #17, #30, #31
Section 6.4: #1 a), #2 a), #3 a), #7 a), #10 a), #13 a)
#7, Wednesday 10/28 solution
#8 Section 6.5: #1 a), #3 a), #5 a), #7 a), #12 a)
Section 6.6: #4, #5, #6, #7, #8, #9, #10, #13, #14
#8, Wednesday 11/11 solution
#9Section 7.3: #16, #17, #18, #19, #20, #21 #9, Monday 23/11 solution
#10Section 7.5: #1, #2, #3, #4, #5, #6, #7, #8 #10, Wednesday 12/02 solution
#11 Section 7.6: #1, #2, #3, #4, #5, #6, #9, #10
Schedule
Date of Class Material covered
08/31 general introduction and Section 1.1
09/02 Section 1.2, Section 1.3
09/07 Section 2.1
09/09 Quiz #1 , Section 2.1, Section 2.2
09/14 Section 2.2, Section 2.5
09/16 Quiz #2 , Section 2.5
09/21 Section 2.6
09/23 Quiz #3 , Section 2.6
09/28 Test #1
09/30 No quiz, Section 3.1, Section 3.2, Section 3.3, Section 3.4
10/05 Section 3.5
10/07 Quiz #4 and I will go over the solution of Test #1
10/12 Section 3.5, Section 3.6
10/14 Quiz #5 , Section 3.6
10/19 Section 6.1, Section 6.3
10/21 Quiz #6 , Section 6.1, Section 6.3, Section 6.2
10/26 Section 6.2, Section 6.4
10/28 Quiz #7 , review for Test #2
11/02 Test #2
11/04 No, quiz, Section 6.5, Section 6.6
11/09 Section 6.5, Section 6.6
11/11 Quiz #8 , I will go over the solution of Test #2
11/16 review on matrices, Section 7.5
11/18 Section 7.5
11/23 Quiz #9 , Section 7.5
11/25 NO CLASSES (Reading days)
11/30 Section 7.5, Section 7.6
12/02 Quiz #10 , Section 7.6, Section 7.8
12/07 NO CLASSES (students attend their Friday classes)
12/09 Review for the final