Duke University
Department of Mathematics



Mathematics 131.01: Elementary Differential Equations


Assignments

For Tuesday, January 16: Read pages 1-9 in Braun's text.

For Thursday, January 18: Read pages 20-24 and 58-66 in Braun's text.

Due Tuesday, January 23: From pages 9-11 in Braun's text: Problems 1, 6, 8, 9, 12, 13, 15, 17, 19, 21.

As you write up your solutions, please state in words the type of equation you are solving,
and please explain the steps that you take to obtain your results.

You are encouraged to discuss the problems among yourselves,
but you are required to write them up on your own.

Please affirm the Duke Community Standard by writing "DCS"
under your signature to indicate that you have adhered to that
standard and to the policies of this section of Math 131.

Due Tuesday, January 30: From pages 24-26 in Braun's text: Problems 1, 4, 7, 9, 13, 20;
and, from pages 66-67: Problems 7, 8, 12, 15.

As you write up your solutions, please state in words the type of equation you are solving,
and please explain the steps that you take to obtain your results.

You are encouraged to discuss the problems among yourselves,
but you are required to write them up on your own.

Please affirm the Duke Community Standard by writing "DCS"
under your signature to indicate that you have adhered to that
standard and to the policies of this section of Math 131.


Due Tuesday, February 6 see Homework 3 problems.

As you write up your solutions, please state in words the type of equation you are solving,
and please explain the steps that you take to obtain your results.

You are encouraged to discuss the problems among yourselves,
but you are required to write them up on your own.

Please affirm the Duke Community Standard by writing "DCS"
under your signature to indicate that you have adhered to that
standard and to the policies of this section of Math 131.


(HW5) Due Tuesday, March 6: From Braun's text:
Pages 149-150: Problems 4, 5, 7, 8, 10, 11
Pages 152-153: Problems 1, 2, 5
Page 156: Problems 5, 6, 9
Page 164: Problems 1, 2, 3, 6, 13, 18

You are encouraged to discuss the problems among yourselves,
but you are required to write them up on your own.

Please affirm the Duke Community Standard by writing "DCS"
under your signature to indicate that you have adhered to that
standard and to the policies of this section of Math 131.



(HW6) Due Tuesday, March 20: From Braun's text:
Reading: Sections 2.5, 2.6, 2.6.1
Page 164: Problems 9, 10, 11, 17
Pages 172-173: Problems 1, 2, 3, 4, 5, 7, 11, 13

You are encouraged to discuss the problems among yourselves,
but you are required to write them up on your own.

Please affirm the Duke Community Standard by writing "DCS"
under your signature to indicate that you have adhered to that
standard and to the policies of this section of Math 131.



(HW7) Due Tuesday, April 3: From Braun's text:
Reading: Sections 2.8, 2.9, 2.15, 3.1, 3.8, 3.9
Page 197: Problems 3, 5, 9
Pages 232-233: Problems 2, 13, 15, 19
Page 263: Problems 1, 7
Pages 271-272: 1, 3, 4, 7, 8
Pages 340: 1, 3, 9, 12, 13

You are encouraged to discuss the problems among yourselves;
you are required to write them up on your own.

Please affirm the Duke Community Standard by writing "DCS"
under your signature to indicate that you have adhered to that
standard and to the policies of this section of Math 131.



(HW8) Due Tuesday, April 10: From Braun's text:
Reading: Sections 3.9, 3.10, 3.11, 3.12
Pages 344-345: problems 5, 7, 9, 10
Pages 352-354: problems 3, 5, 7, 9, 10
(No problems in Section 3.11)
Pages 366-368: problems 1, 5, 9, 13, 17

You are encouraged to discuss the problems among yourselves;
you are required to write them up on your own.

Please affirm the Duke Community Standard by writing "DCS"
under your signature to indicate that you have adhered to that
standard and to the policies of this section of Math 131.



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Last modified: 7 April 2007