MATH 2210 – Differential Equations

Spring 2010

Assignments

 

1/11     Read 1.1

            1.1:  1 – 11

 

* I typically only assign ODD problems; therefore, “1 – 11” means “1 – 11 odd”

* I am expecting homework questions at the start of class tomorrow

 

1/12     Read 1.1 (again)

            1.1:  15 – 21

            Read up to p. 30 in 1.2

            1.2:  1 – 19, 23 – 31

 

1/14     Read 1.2 (all of it)

            1.2:  21, 33, 35

            Read up through page 44 in 1.3

            1.3:  1 – 17

 

1/15     Read up through page 44 in 1.3 again (Circuits on pages 44 – 47?)

            Solve the following differential equations analytically (and check your answer):

                        1.2:  1, 6, 8, 10, 12, 16, 20, 24

                        1.3:  1, 5, 7, 15 (i, ii, iv, v, vii, viii)

            Read up through page 60 in 1.4

            1.4:  1, 5 (do Euler’s Method “by hand” and solve these analytically too)

            1.4:  2 (do Euler’s Method “by hand”)

            Today is the last day to add/drop

 

1/19     1.4:  3, 6, 7, 9 (just do them with the book’s software (#3) or Derive or your calculator)

1.4:  12, 13

            Read pages 627 – 629 and 644 – 647 in Chapter 7

            7.2:  Do these with Improved Euler’s Method (by hand) with n = 4:  1 – 11 (you can check your answers with your calculator)

            Start working on Problem Set #1

 

1/21     Read pages 649 and 650 (1st half) in 7.3

            Read pages 660 and 661 (1st half) in 7.4

            Do these with technology: 

7.3:  1, 2, 3, 4, 5, 6a/b

7.4:  1

            Read page 65 from 1.5

            Work on Problem Set #1

 

1/22     Read 1.5

            1.5:  1 – 9, 13, 15, 17

            Read 1.6

            1.6:  1 – 33

            Work on Problem Set #1 – it’s due Tuesday – make sure you have your group by Monday

 

1/25     Read 1.6 (again)

            1.6:  35 – 41

            Read up through page 118 in 1.8

            1.8:  1, 2, 7, 8, 17, 20, 21

            Finish Problem Set #1

 

1/26     Read through the “extended linearity” hand-out

            Read 1.8 (all of it)

            1.8:  3 – 6 all, 9 – 16 all, 19, 22 – 24 all, 29, 31, 32, 33a

            Problem Set #1 is due

            Test #1 is in one week

 

1/28     Read through the “extended linearity” hand-out again

1.8:  19, 33a

            Do the following with an integrating factor:

            1.8:  1, 2, 5 – 8 all, 11, 12

Read 1.9

            1.9:  1 – 12 all

            Test #1 is on Tuesday

 

1/29     1.9:  13 – 27, 20

            Study for Test #1 – bring your questions to class on Monday

 

2/4       Correct Test #1 – due by next Friday

            Re-read “Predator-Prey Systems” in 1.1 (pages 11 – 13)

            1.1:  19, 21

            Read 2.1

            2.1:  1 – 9, 19, 20

 

2/5       Correct Test #1

            Work on Problem Set #2

            Read 2.1 (again)

            2.1:  2, 4, 6, 11, 15, 17a, 21, 23

            Read 2.2

            2.2:  1 – 13

 

2/8       Read 2.2 (again)

            2.2:  15 – 29, 28

            Read 2.3

            2.3:  1 – 11, 15 – 19

            Work on Problem Set #2 - due one week from tomorrow

            Correct Test #1 - due Friday

 

2/9       Finish Test #1 corrections – they’re due by Friday

           Finish Problem Set #2 – it’s due in one week

           Catch up

 

2/11     Correct Test #1

            Finish Problem Set #2

            Read up through page 205 in 2.4

            Read pages 206 – 209 in 2.4?

            2.4:  1, 2, 3, 5 (do “enough” of these problems by hand)

            2.4:  7 (by hand), 12, 13

 

2/12     Read 3.1

            3.1:  5 – 13, 17, 18, 19, 24 – 29 (all), 33

            There are no classes on Monday

            Problem Set #2 is due on Tuesday

 

2/16     Read 3.1 (again)

            3.1:  1, 3, 16, 34, 35

            Read 3.2

            3.2:  1 – 7, 11, 13

            Problem Set #2 is due tomorrow

 

2/18     Read 3.2 (again)

            3.2:  9, 15, 16, 17, 18, 19, 21, 23, 25, [2, 4, 6, 10, 12, 14, 20, 22, 24]?

            More practice?  2.3, #1 & 3.1, #24 - 29

            Test #2 is in one week

 

2/19     Read 3.3

            3.3:  1 – 21

            Test #2 is Thursday

 

2/22     3.3:  23 – 27

Study for Test #2

            AMATYC exam is Wednesday, March 3

 

3/1       Read Appendix C

            Read 3.4

            3.4:  1 – 11

            Correct Test #2 – due by March 11th

            Test #2 Take-Home is due tomorrow (Tuesday) at noon

 

3/2       Read 3.4 (again)

            3.4:  13, 15, 21, 22, 23, 25

3.4:  26 (just find the general solution and note that the phase portrait would be a center)

            Work on Problem Set #3

            Correct Test #2

            AMATYC exam is tomorrow

 

3/4       Read 3.5

           3.5:  1, 5, 9, 10, 11, 12, 17, 19

           Work on Problem Set #3

           Correct Test #2

 

3/5       Read 3.5 (again)

            3.5:  3, 7, 21, 23, [2, 4, 6, 8, 18]? (do these even problems if you want more practice)

            p. 374:  #31 (you should be able to do ALL of the problems on this page for Test #3)

            Read 3.6

            3.6:  1 – 11

            Work on Problem Set #3

            Correct Test #2

 

3/8       Read 3.6 (again)

            3.6:  13 – 27

            Work on Problem Set #3

            Correct Test #2

 

3/9       3.6:  29 – 33 all, 39

            Read 3.7

            3.7:  1 – 4, 6, 11, 12, 13

            Work on Problem Set #3

            Correct Test #2

 

3/11     Read 3.7 (again)

            3.7:  5, 7, 14?

            Problem Set #4 is due by Monday, March 29th

            Test #3 is two weeks from tomorrow