Math 341  Differential Equations


Spring 2019

Any of the following pdf files can be viewed and/or printed using Adobe Acrobat Reader which is available as a free download.

Course Syllabus

DATE ASSIGNMENT
02/05
Introduction to Differential Equations and Terminology  (Powerpoint Version)
Solutions to Differential Equations [If not completed in class, have done by Thursday class.]
Section 1.3, p. 22:  #1, 4, 5, 7, 10, 12, 14, 16, 18, 19(u1 only)  [Due 02/12]
Differentiation and Integration Review  [Due 02/12]
02/07
Direction Field Examples using Maple [Use this Maple Worksheet as a template to do the direction fields on the assignment]
Section 1.1, p. 8:  #1(by hand), [All other direction fields, use Maple] 2, 3, 4, 5, 6, 7, 10, 11-16(all), 23, 24 [Due 2/14[Due 2/19]
Maple Survival Basics (pdf file)  [Only used directions for accessing Maple.  Bring back next time.]
02/12
Phase Line Analysis (Powerpoint Version)
Section 2.5, p. 67: #[1, 2, 4, 6, 9 Do not sketch solutions in ty-plane], 16(a), 19, 20, [21(a) Then answer: For any initial
condition y(0) = y0, what will the proportion of the population infected with the disease approach as t approaches infinity?]  [Due 2/19]
Maple Exercises Part 1 (Maple 18 worksheet file, Right-Click to "Save as...")   [This part of the assignment is optional, but recommended]
Maple Exercises Part 2 (pdf file)  [Due 02/26]
02/14
Integral Curves for In-Class Example
Section 2.4, p. 57:  #5-8, 18  [Due 02/21]
Section 2.2, p. 38:  #1, 3, 5, 6, 11, 12, 15, [16 Hint:  Does the arcsine function return all solutions?], 17, 20  [Due 02/21]
02/18
Section 2.4, p. 57:  #1, 2, 4, 26 [Due 2/26]
Section 2.1, p. 31:  #[Part (c) only:  1, 4, 6], 9, 11, 12, 14, 16, 18 [Due 2/26]
In-Class Example Maple Output
02/20
Section 2.6, p. 75:  #3, 5, 6, 7, 9, 10, 11
02/26
Applications - Examples [p.1-2 done in class]
Section 2.3, p. 47:  #1, 2, 3, 15 [Not turned in - Exam next week]
02/28
Section 2.3, p. 47:  #12, 14, 16, 17, 10, 11(a,b) [Not turned in - Exam next week.]
Section 2.5, p. 67:  #22 [Not turned in - Exam next week.]
Exam 1 Review Sheet
Exam 1 Review Sheet w/Answers
03/04
Review for Exam 1
03/06
Exam 1  Solutions
03/12
Section 3.1, p. 109:  #1, 3, 5, 6, 7, 9, 11, 13, 15, 16, 17  [Due 3/21]
Section 3.2, p. 119:  #6, 7, 9 [Due 3/21]
03/14
Section 3.2, p. 119:  #1, 3, 5, 20, 23 [Due 3/21]
Section 3.3, p. 125:  #1, 3, 6, 7, 11, 12, 13, 15, 18 [Due 3/21]
03/19
Section 3.4, p. 132:  #1, 2, 4, 8, 9, 11, 13, 28, 29  [Due 4/4]
Section 4.2, p. 180:  #8, 10, 12, 14, 17, 20, 22, 25 [Due 4/4]
Additional Problems:  Find the general solution to the following differential equations.  [Due 4/4]
 
3/21
Section 3.5, p. 141:  #1, 2, 4, 5, 7, 9, 13, 14, [Part (a) only:  16, 17, 18, 20]    [Due 4/4]

Spring Break!!
04/02
Section 4.3, p. 184:  #3, 5, 8, 10, 13  [Due 4/11]
Variation of Parameters
Section 3.6, p. 146:  #2, 4, 5, 6, 8, 9, 10, 12, 13 [Due 4/11]
04/04
Section 3.7, p. 157:  #1, 4  [Due tbd]
04/09
Section 3.7, p. 157:  #5, 6, 14, 20(Use Maple to plot the parametic curve) [Due tbd]
Section 3.8, p. 267:  #4, 5, 6, 7, 11, 13 [Due tbd]
Forced Vibration Examples Graphs
Tacoma Narrows Bridge Collapse  https://www.youtube.com/watch?v=nFzu6CNtqec
http://practical.engineering/blog/2016/2/14/tuned-mass-dampers-in-skyscrapers
04/11
Section 3.4, p. 132:  #18, 20, 21
Section 5.4, p. xxx:  #1, 4, 5, 8, 9, 11
Exam 2 Review Sheet
Exam 2 Review Sheet w/Answers
04/16
Review for Exam 2
04/18
Exam 2  Solutions   
04/23
Section 6.1, p. 247:  #1, 2, 16, 4[Look for a pattern... think factorials], 5, 6, 11, 12, 13 [Due 5/2]
04/25
Section 6.2, p. 255:  #1, 2, 5, 7 [Due tbd 5/9]
04/30
Section 6.2, p. 255:  #9, 11, 13, 17(see 6.2 #16), 19, 22, 23, 24 [Due 5/9]
Section 6.3,p . 262:  #1, 5, 7 [Due 5/9]
05/02
Section 6.3,p . 262:  #3, 4, 9, 11, 12, 14, 15, 16 [Due 5/9]
05/07
Section 6.4, p. 268:  Parts a & b only #1, 5, 6 [Due 5/16 not collected]
05/09
Graphing Piecewise Functions and Laplace Transforms (Maple Worksheet with Examples Done in Class) [Right Click to Save]
Homework:  Graph the solutions to Section 6.4 #1, 5, 6 [Due 5/16 not collected]
05/14
Q&A and Evaluations
05/16
New Material Review Sheet
New Material Review Sheet w/Answers

Click link for Finals Week Schedule and Office Hours
05/20
Monday Reading Day
Office Hours 9:30am-10:30am
Optional Review Session 10:30-11:30am
05/21
Tuesday
Office Hours 1:30-2:30pm
05/22
Wednesday
Office Hours 11:00am-12:00pm
05/23
Thursday
Final Exam 10:30am-12:30pm
Note:  The Final Exam covers material from the entire semester

Old Assignments/Quizzes/Exams Spring 2018

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