Math 321-3     HOMEWORK ASSIGNMENTS 1        Spring 2008

Text:  Differential Equations with boundary value problems by Zill and Cullen.

 

No

        DATE  DUE

 READ & STUDY

                        PROBLEMS

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 1

Friday, Jan. 18

Sec. 1.1

Definitions

pp 10 – 12 #1, 3, 5, 9, 11, 13, 15, 17, 19, 21, 25, 29, 33, 35, 37, 41,

42, 47, 51.

 

 2

Wednesday, Jan. 23

Section 1.1 & 1.2

Initial Value Problems

{TURN IN: pp 10 – 11 #18, 44}

pp 16 – 18 #3, 5, 7, 11, 15, 19, 25, 27, 29, 35, 37, 39, 41.

 

 

 

 3

Friday, Jan. 25

Section 1.3

Mathematical Models

{TURN IN: pp 16 – 19 #6, 44}

pp 28 – 31 #1, 2, 3, 5, 7, 9, 15, 19.

 

 

 4

Monday, Jan. 28

Section 2.1

Direction Fields

{TURN IN: pp 28 - 31 #4, 20}

pp 46 – 9 #1, 3, 5, 9, 13, 17, 19, 21, 25, 29, 33, 35, 39.

 

 

 5

Wednesday, Jan. 30

Section 2.2

Separable Variables

{TURN IN: pp 46 – 9 #8, 40}

pp 54 – 6 #1, 3, 5, 7, 11, 17, 21, 23, 25, 33, 34, 37, 38, 39, 41, 44.

 

 

 6

Friday, Feb. 1

Section 2.3

Linear Equations

{TURN IN: pp 54 – 6 #6, 30}

pp 65 – 6 #1, 3, 7, 13, 19, 25, 27, 29, 31, 37, 39, 43.

 

 7

Monday, Feb. 4

Section 2.3

No new problems.

 

 8

Wednesday, Feb. 6

 

Section 2.6

Euler’s Method

OMIT Sec. 2.4, 5

{TURN IN: pp 65 – 6 #8, 38, 43}

p 84 #1, 3, 5, 7, 11, 13.

 

 

 9

Friday, Feb. 8

Section 3.1

Linear Models

{TURN IN: p 84 #4, 12}

pp 98 - 100 #1, 5, 11, 13, 19, 27, 33, 34.

 

10

Monday, Feb. 11

Section 3.2

Nonlinear Models

OMIT Section 3.3

{TURN IN: p 98 #10, 35}

pp 108 – 9 #1, 3, 5, 9.

 

 

11

Wednesday, Feb. 13

Chapters 1, 2, 3

Review for Test 1

{TURN IN: p 109 #6, 10}

pp 34 – 6 #7 – 29 odd;  pp 84 – 6 #1 – 9 odd, 13 – 21 odd, 22, 23;

pp 120 – 1 #1 – 9 odd.

 

12

Friday, Feb. 15

Chapters 1, 2, 3

TEST 1 over Sections 1.1 – 1.3, 2.1 – 2.3, 2.6, 3.1, 3.2.

 

13

Wednesday, Feb, 20

Section 4.1

Linear DEs.

 

pp 137 – 9 #1 – 11 odd, 15 – 31 odd, 39, 40.

 

14

Friday, Feb. 22

Section 4.1

No new problems.

 

15 Monday, Feb. 25 Section 4.2

{TURN IN: pp 137 - 9 #8, 34, 38}

pp 141 - 2 #1, 5, 11, 17.