MATH 355

ANALYSIS OF ORDINARY DIFFERENTIAL EQUATIONS 

Section 2, Spring Semester 2012

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A pdf copy of the Student Solution Manual is available here.
A pdf copy of Chapter 1 is available here.

    NOTE: The course UTA, Mr. Hari Subedi, is available for tutoring from 3-4pm
on Mondays and Wednesdays in 241 Math East.


Week of February 6
READ:  Chapter 3.1.1, 3.1.2
HAND-IN HOMEWORK #5 (due Thursday, February 16):      
    Chapter 3.1.1 (p 133):      Exercises 1.13, 1.15, 1.17 (Justify your answers by using Theorem 1.2, p 132.)
    Chapter 3.1.2 (p 141):      Exercises 1.19, 1.23, 1.25, 1.27 (a can be negative, 0, or positive), 1.41

 ADDITIONAL SUGGESTED HOMEWORK (not to be handed-in)
    Chapter 3.1.1 (p 133):        Exercises 1.2-1.16(even)
    Chapter 3.1.2 (p 141):        Exercises 1.18-1.42(even)

Week of January 30
READ:  Chapter 2.4, 2.5
HAND-IN HOMEWORK #4 (due Thursday, February 9):      
    Chapter 2.4 (p 97):             Exercises 4.6, 4.8
    Chapter 2.5 (p 98-101):     Exercises 5.12 (VC formula only), 5.20, 5.51 
          Please write the exercises below on separate sheets of paper:  
    Chapter 2.6 (p 121-124):   Your choice: either Exercise 6.19 or 6.37
 ADDITIONAL SUGGESTED HOMEWORK (not to be handed-in)
    Chapter 2.4 (p 96-97):         Exercises 4.1-4.15(odd)
    Chapter 2.5 (p 98-101):       Exercises 5.1-5.21(odd), 5.31-5.35(odd), 5.50-5.58(even)

Week of January 23
READ:  Introduction, Section 2 (pp 13-20), Chapter 2
HAND-IN HOMEWORK #3 (due Thursday, February 2)
    Chapter 1.2 (p 49):    Exercises 2.30-2.32
    Chapter 2.1 (p 74):    Exercises 1.24
, 1.45, 1.61
 
   Chapter 2.3 (p 91):    Exercises 3.12, 3.14
HAND-IN HOMEWORK #2 (due Thursday, January 26):   
    Introduction, Section 2 (pp 21-23):      Exercises 2.6, 2.14, 2.21
ADDITIONAL SUGGESTED HOMEWORK (not to be handed-in)
    Chapter 2.1 (p 74):      Exercises 1.17, 1.19, 1.24, 1.40-1.62(even)
    Chapter 2.2 (p 84):      Exercises 2.1-2.7(odd)
    Chapter 2.3 (p 91):      Exercises 3.11-3.21(odd)   

Week of January 16
READ: Chapter 1.1 (pp 25-30), 1.2.1 (pp 33-37 ), Chapter 1.2.2 (pp 40-48)
HAND-IN HOMEWORK #1 (due Thursday, January 19) 
    Chapter 1 (p 31):                   Exercises 1.18 and 1.24
    Chapter 1.2.1 (pp 37-39):    Exercises 2.12  Use the online program DFIELD (go to link Software above). Use window size 0 < t < 30, -4 < x < 10. Print out or hand sketch graphs you obtain in part (a). Use computer for part (b) (instead of a hand sketch).    
ADDITIONAL SUGGESTED HOMEWORK (not to be handed-in)
    Chapter 1 (p 31):                    Exercises 1.1-1.23(odd)
    Chapter 1.2.1 (pp 37-39):      Exercises 2.1-2.11(odd) 

Week of January 9
READ: Introduction, Section 1 (pp 1-6 )
ADDITIONAL SUGGESTED HOMEWORK (not to be handed-in)
    Introduction, Section 1:           Exercises 1.31-1.43(odd), 1.51, 1.53, 1.57-1.63(odd), 1.68-1.78(even)

Hand-In Homework Statistics & Answers

 HW
Mean
Standard
Deviation
Median Max Min Answers
#1 (15 pts)
12.3
2.8
13
15
6
HW01
#2 (10 pts)
8.4
1.8
9.0
10
3
HW02
#3 (40 pts)
31.8
8.3
35
40
10
HW03














































J. M. Cushing  / Department of Mathematics  / Program in Applied Mathematics  / University of Arizona / Tucson, AZ, 85721-0089

(revised 9 February 2012)
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