Math 23
Fall 2010
Differential Equations
Homework
Homework assigned over a week will
generally be due on Wednesday of the following week.
The homework assigned on Monday November 29
will be due on Wednesday December 1.
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Lectures |
Sections in Text |
Homework Assignment |
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Wednesday September 22, 2010 |
Read sections 1.1, 1.2 and start section 1.3 |
Section 1.1 Exercises
7, 12 Section 1.2 Exercise 8 (a,b) Section 1.3 Exercise 12 Due Wednesday
September 29 |
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Thursday September 23, 2010 x-hour instead of the class on Friday September 24,
2010 |
Section 1.3 |
No homework |
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Friday September 24 No class. Instead we have an x-hour on Thursday September
23, 2010 |
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Monday September 27 |
Section 2.1 and start section 2.2 |
Section 2.1 Exercises 15, 17 and Section 2.2 Exercise 3 Due Wednesday October 6 |
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Wednesday September 29 |
Section 2.4 |
Section 2.2 Exercise 8 Section 2.4 Exercises 3, 14 and 25 Due Wednesday
October 6 |
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Friday October 1 |
Section 2.4 and 2.5 |
Section 2.4 Exercise 33 Section 2.5 Exercises 3,13,
and 15 (part a only) Due Wednesday October 6 |
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Monday October 4 Note that Tuesday October 5 is the final day to establish
the course load |
Section 2.3 and Start Section 2.6 |
Section 2.3 Exercises 2,4 and
8 (part a and b only) Due Wednesday October 13 |
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Wednesday October 6 Final day for electing to use the Non-Recording Option. |
Section 2.6 |
Section 2.6 Exercises 2, 14, 24, and 28. Use exercise 24 to solve the equation (3y2+4xy)+(4xy+3x2)y’=0 Due Wednesday October 13 |
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Friday October 8 |
Sections 3.1 and 3.2 |
Section 3.1 Exercises 11, 12 Section 3.2 Exercises 11, 23, 27 Due Wednesday
October 13 |
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Monday October 11 |
Section 3.2 |
Section 3.2 Exercises 19, 35,
39 Due Wednesday October 20 |
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Wednesday October
13 |
Section 3.3 and Section 3.4 |
Section 3.3 Exercises 1, 5,
11, 19 Section 3.4 Exercise 2, 13,
14 Do not sketch solutions in
the homework exercises for this day even if this is asked in the book. Due Wednesday October 20 |
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Friday October 15 |
Section 3.5 |
Section 3.4 Exercises 23, 25 Section 3.5 Exercises 1, 2, 13, 14 Due Wednesday October 20 |
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Monday October 18 6-8 PM First Midterm Exam in Carpenter 013 |
Section 3.5 and Section 3.6 |
Section 3.5 Exercises 16 and
18 Section 3.6 Exercises 10, 15 Due Wednesday October 27 |
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Wednesday October 20 |
Section 3.7 and Section 3.8 |
Section 3.7 Exercise 6 Section 3.8 Exercise 9 Due Wednesday
October 27 |
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Friday October 22 |
Section 4.1 and Section 4.2 |
Section 4.1 Exercises 2, 6, 8 Due Wednesday
October 27 |
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Monday October 25 |
Section 4.2 and Section 4.3 |
Section 4.2 Exercises 13, 16, 17, 21 Section 4.3 Exercises 13, 15, 17 Due Wednesday
November 3 |
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Wednesday October 26 |
Section 5.1 and Section 5.2 |
Do sufficiently many problems out of Section 5.1 Exercises
1-16 so that you are comfortable with the power series. These exercises are not to be submitted and they will not
be graded. |
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Thursday October 27 x-hour instead of the class on Friday October 28 |
Section 5.2 |
Section 5.2 Exercises 2, 3, 15(a), 16(a) Due Wednesday November 3 |
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Friday October 28 No class. Instead we have an x-hour on Thursday October 27.
Have a nice homecoming weekend J |
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Monday November 1 Note that Tuesday November 2 is the final day for
dropping a fourth course |
Section 5.3 and Section 5.4 |
Section 5.3 Exercises 2, 7 Section 5.4 Exercises 2, 3,
11, 16 Due Wednesday November 10 |
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Wednesday November 3 |
Section 7.1 and Section 7.2 |
Section 7.1 Exercises 5, 9 Section 7.2 Exercises 6.c, 15 Due Wednesday November 10 |
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Friday November 5 |
Section 7.3 |
Due Wednesday November 10 |
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Monday November 8 6-8 PM Second Midterm Exam in Carpenter 013 |
Section 7.3 and Section 7.4 |
Section 7.3 Exercises 8, 19,
25, 29 (please note that initially these exercises were listed as assigned on
Friday) Section 7.4 Exercises 5, 6 Due Wednesday November 17 |
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Wednesday November 10 |
Section 7.5 |
Section 7.5 Exercises 9, 11, 12, 14 Due Wednesday November 17 |
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Thursday November 11 x-hour |
Section 7.6 |
Section 7.6 Exercises 3, 5, 7 (for each
system, only solve and express the general solution in terms of real-valued
functions) Due Wednesday November 17 |
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Friday November 12 Final day to withdraw from a course |
Section 7.8 |
Section 7.8
Exercises 2, 3, 5 Due Wednesday November 17 |
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Monday November 15 |
Section 10.1 |
Section 10.1 Exercises 1, 5,
10, 14 Due Monday November 29 |
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Wednesday November
17 |
Section 10.2 |
Section 10.2 Exercises 14, 15 Due Monday November 29 |
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Thursday November 18 x-hour instead of the class on Friday November 19 |
Section 10.2 |
No homework Due Monday November 29 |
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Friday November 19 No class, instead we have an x-hour on Thursday November 18 |
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Monday November 22 |
Section 10.3 and Section 10.4 |
Section 10.3 Exercise 6, Section 10.4 Exercise 16, 17 Due Wednesday December 1 |
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Thanksgiving
recess: starts at 5:50 PM on Tuesday
November 23 and ends at 7:45 AM on Monday November 29 |
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Monday November 29 |
Section 10.5 |
Section 10.5 Exercises 3, 5, 9, 10 Due Wednesday December 1 |
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Wednesday December 1 |
Section 10.6 |
Recommended homework: Section 10.6 Exercise 9, 13 parts a only. The homework exercises for this
day will not be graded. |
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Thursday December 2-Friday December 3 Pre-Examination Break |
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Math 23 Final
Exam is 8-11 AM Saturday December 4 in Kemeny 008 Final Examinations begin on Saturday December 4 and end
on Wednesday December 8 |
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