Math 23

Differential Equations

Homework

For the section taught by Vladimir Chernov

 Lectures Sections in Text Homework Exercises Monday September 10 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 19 Wednesday September 12 Sections 1.3 and 2.1 Section 2.1 Exercises 15, 17, 33  Due Wednesday September 19 Friday September 14 Sections 2.2 and 2.4 Section 2.2 Exercises 3,8, Section 2.4 Exercise 3, 14, 25, 33  Due Wednesday September 19 Monday September 17 Section 2.3 Section 2.4 Exercise 28 Due Wednesday September 26 Wednesday September 19 Section 2.5 Section 2.3 Exercises 2, 4 and 8 (part a and b only)   Due Wednesday September 26 Thursday September 20 x-hour instead of the class on Froday October 5 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 September 26 Friday September 21 Finish Section 2.6 and Section 3.1 Section 2.5 Exercises 3,13, and 15 (part a only)  Section 3.1 Exercises 11, 12  Due Wednesday September 26 Monday September 24 Section 3.2, 3.3 Section 3.2 Exercises 11, 19, 23, 27, 35, 39  Due Wednesday October 3 Wednesday September 26 Section 3.4 Section 3.3 Exercises 1, 5, 11, 19 Section 3.4 Exercise 2, 13, 14, 23, 25  Due Wednesday October 3 Friday September 28 Section 3.5 Section 3.5  Exercises 1, 2, 13, 14, 16, 18, 19 (part a only) Due Wednesday October 3 Monday October 1 First Midterm Exam is 6-8 PM Tuesday October 2 in Carpenter 013 Section 3.6 and start Section 3.7 Section 3.6 Exercises 10, 15,  Section 3.7 Exercise 6, Due Wednesday October 10 Wednesday October 3 Section 3.8 and Section 4.1 Section 3.8 Exercise 9, 11,   Section 4.1 Exercises 2, 6, 8 Due Wednesday October 10 Friday October 5 No class for Chernov’s section, instead we have an x-hour on September 20 Monday October 8 Section 4.2, Section 4.3, Section 4.4 Section 4.2 Exercises 13, 16, 17, 21  Due Wednesday October 17 Wednesday October 10 Section 7.1, 7.2 Section 7.1 Exercises 5, 9, Section 7.2 Exercises 6.c, 15  Due Wednesday October 17 Friday October 12 Section 7.3, Section 7.4 Section 7.3 Exercises 3, 8, 19, 25, 29  Section 7.4 Exercises 5, 6 Due Wednesday October 17 Monday October 15 Section 7.5 Section 7.5 Exercises 9, 11, 12, 14  Due Wednesday October 24 Wednesday October 17 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 October 24 Friday October 19 Section 7.8 Section 7.8 Exercises 2, 3, 5 (for each system, only solve and express the general solution in terms of real-valued functions)  Due Wednesday October 24 Monday October 22 Second Midterm Exam is 6-8 PM on Tuesday October 23 in Carpenter 013 Section 7.7 Optional Homework: Section 7.7 Exercise 1. This exercise is not to be submitted and it will not be graded Wednesday October 24 Section 5.1, 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. Thursday October 25 x-hour Section 5.3 Section 5.2 Exercises  3, 5, 15(a), 16(a),  Section 5.3 Exercises 2, 7,  Due Wednesday October 31 Friday October 26 Homecoming weekend No class, instead we have an x-hour on Thursday October 25 Monday October 29 Section 5.4 Section 5.4 Exercises 2, 3, 11, 16  Due Wednesday November 7 Wednesday October 31 Section 10.1 Section 10.1 Exercises 1, 5, 10, 14 Due Wednesday November 7 Friday November 2 Section 10.2 Section 10.2 Exercises 14, 15  Due Wednesday November 7 Monday November 5 Section 10.3, 10.4 Section 10.3 Exercise 6, Section 10.4 Exercise 16, 17 Due Monday November 12 Wednesday November 7 Section 10.5 Section 10.5 Exercises 3, 5, 9, 10  Due Monday November 12 Friday November 9 Section 10.6 Section 10.6 Exercise 9 part a only, Exercise 13 part a only.  Due Monday November 12 Monday November 12 Section 10.7 Recommended homework exercise Section 10.7 Exercise 9 and Exercise 10 part a only. This homework will not be collected or graded, but similar exercises may appear on the exam. Wednesday November 14 - Thursday November 15 Pre-Examination Break Math 23 Final Exam is 11:30-2:30 PM on Friday November 16 in Kemeny 008 Final Examinations begin on Saturday November 16 and end on Tuesday November 20