Homework for Math 267 Differential Equations With Laplace Transform

(Section H1 & E1, Fall 2009)

Due Tue. Sept 1:

    $1.1:     1, 7, 9, 17, 21, 26, 32, 33, 36

    $1.2:     4, 10, 11, 18, 25, 28, 30

    $1.3:     11, 16

    $1.4:     1, 3, 20, 27, 33, 35, 37

Due Tue. Sept 8:

    $1.5:     2, 6, 19, 33, 34, 37

    $1.6:     1, 3, 16, 18, 33, 35, 38

Due Tue. Sept 15:

    $1.7:     1, 6, 9, 15, 16, 18, 19, 21 

Practice Test:     (50 minutes)

                            $1.1 #6 and #9 (also determine order and linearity/nonlinearity of eqn)   

                            $1.4 #22        $1.5 #6        $1.5 #36         $1.6 #3 or #37        $1.7 #17

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Exam 1:  Tue Sept 15

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Due Fri Sept 25:

    $2.1:     1, 3, 17, 18, 22, 25, 33, 37, 38

    $2.2:     1, 4, 7, 11

Due Fri Oct.2:

    $2.2:     13, 21, 25, 26

    $2.3:     1, 2, 11, 12, 14, 18, 25, 28, 29, 33

    $2.4:     1, 3, 4

Due Fri Oct.9:

    $2.5:     1, 4, 9, 20, 21, 22, 26, 27, 33, 39

    $2.6:     19, 20

Practice Test:     (50 minutes)

                            $2.1 #40,       $2.2 #16 (also verify linear independence of given solutions by Wronskian)   

                            $2.3 #36        $2.5 #11         $2.5 #24        $2.4 #4 or $2.6 #19

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Exam 2:  Fri Oct.9

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Due Mon. Oct 19:

    $4.1:     1, 4, 8, 10, 12, 19, 20, 23, 24, 28, 30, 37, 38

    $4.2:     1, 4, 8, 11, 12, 17, 19, 22, 28

Due Thur Oct 29 (--this is NEW DUE DATE):

    $4.3:     1, 2, 3, 5, 6, 7, 10, 11, 13, 15, 16, 22, 28, 30, 31, 34, 40

    $4.4:     1, 3, 4, 7, 9, 11, 14, 15, 17, 19, 22, 24, 26, 27, 29, 31, 34

Due Thur Nov 5:

    $4.5:     1, 8, 16, 21, 24, 26, 31, 34

    $4.6:     2, 4, 6, 9, 10, 15

Practice Test:     (50 minutes)

                            $4.1 #2,14,28        $4.2 #10         $4.3 #20        $4.4 #30         $4.5 #2,21        $4.6 #1

A Sample Test will be handed out in class Tue Nov 3.

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Exam 3:  Thur Nov 5

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Due Thur Nov 12:

    $5.1:     3, 4, 11, 20

    $5.3:     3, 4, 5(c)(d)(e), 11, 17, 20

Due Thur Nov 19:

    $5.3:     21, 26, 27, 35, 36

    $5.4:     1, 10, 17, 26, 27, 38, 40

Due Mon. Dec 7:

    $5.6:     3, 4, 7, 11, 12

    $7.1:     sketch solution curves and determine stability: 3, 8, 12, 13

Practice

    $7.2:     1, 5, 16, 18

Practice Final:    

                 $1.4 #20 or $1.5 #17,     $2.5 #13 and #24,     $4.3 #33,    

                 $4.5 #34 with f defined by #18,     $5.4 #25 and #39,     $7.1 #14

Homework Pickup: the last two sets of homework can be picked up

                                 at 244 Carver, Dec 11 afternoon

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Final Exam:   

                        Section E1: Tue Dec 15, 12:00 noon - 2:00 p.m, at 203 Beyer Hall

                        Section H1: Thur Dec 17, 9:45 a.m. - 11:45 a.m. at 294 Carver Hall

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