Welcome Math 1270 Students - Fall Term 2009

Instructors: W.C. Troy

Office: 503 Thackeray Hall (W. C. Troy), MW 2-3 pm.

Phone: 624-8325 (WCT) www.math.pitt.edu/~troy

email: troy@math.pitt.edu

Book: Edition 9 of "Elem. Diff. Eqs." by Boyce and DiPrima

The Course Grade is determined by homework and 3 exams as follows:

10% for Homework (no late homework accepted).

30% for exam I -Oct. 2; 30% for exam II-Nov. 6; 30% for exam III-Dec. 11

The problems to hand in are assigned below.

Homework 1, due Sept. 14. p. 48, nos. 19, 24. p. 77, no. 30.

Homework 2, due October 25. p. 172, no. 16, p. 173, no. 28.

Homework 3, due November 18. p. 260, nos. 21, 22

Exam 3 - Dec. 11, 2009

The exams are based on lectures, the homework and on problems like those suggested below.

Suggested problems to know for the exams.

Chapter 1:

• pp. 15-17 nos. 1, 3, 4, 7, 8, 9, 12, 15
  

• pp. 24-25, 1-20, 25-28
  

Chapter 2:

• p.39 nos. 13-20, 29, 30, 36, 38
  

• pp. 47-48 nos. 1-12, 22-26, 29, 30
  

• pp.76-77 nos. 13-16,27,28-31
  

• p.89 nos. 15, 17
  

• pp. 99-100 nos. 1-12
  

• p. 130 nos. 1-6, 14

• p. 134-135 nos. 36-51

Chapter 3:

• pp. 144-145 nos. 1-19, 23, 28
  

• pp. 155-156 nos. 1-27, 33-38
  

• pp. 165-166 nos. 1-22, 25, 38-42
  

• pp. 171-173 nos. 1-14, 23-30
  

• pp. 183 nos. 1-5, 7,9,11, 13-18
  

• p. 189 1-18

Chapter 4:

• p. 224 nos. 1-16
  

• p. 231-232 nos. 1-24

  Chapter 5:

• p. 249 nos. 1, 3, 5,7, 9-12, 19-20
  

• p. 259-260 nos. 1, 3, 5, 7, 9, 11, 13, 15, 16, 21, 22
  

• p. 265 nos. 1-4
  

• p. 276 nos. 1-10, p. 282 1-12
  

Chapter 7: Systems

• pp. 359-360 1-6,8-11

• p. 398 1-8, 15, 16 - just find the solutions, no graphing necessry.
• p. 410 (Complex eigenvalues) 1-6, 9,10
• p. 420 (Fundamental matrix solution) 1-9, 11, 12.
• p. 428 (Repeated eigenvalues) 1-7.
• p. 439-440 (Non-homogeneous equations) 1-12.
  

Last updated 11/20/2008