Math 2250-4
Differential Equations and Linear Algebra
Fall term, 2001

Homework Assignments

Send e-mail to : Professor Korevaar

Links:
Math 2250-4 home page
Professor Korevaar's home page
Department of Mathematics




Homework is due at the start of class, on Wednesdays, unless otherwise noted. Homework solutions will be handed out at that time, so late homework will not be accepted.

Homework assignments (most recent first):

Bold-face problems are to be handed in, others are only recommended.

   Due Wednesday December 5: (Last HW of the term, Hurray!!!)
     10.2:   3, 4, 5, 6, 14, 15, 19, 20, 25, 28, 31;
     10.3:   3, 7, 8, 17, 20, 31, 36;
     10.4:   2, 3, 9, 10, 15, 16, 23, 26.
  Grading: 24 points, distributed as follows:
     10.2:  6 = 2 points, 14 = 3 points, 20 = 2 points, 28 = 1 point;
     10.3:  3, 8, 17 = 1 point each, 20, 31 = 2 points each, 36 = 3 points;
     10.4:  2, 3 = 1 point each, 16 = 2 points, 23, 26 = 1 point each.

   Due Wednesday November 28: (Maple project will be due on Friday November 30!)
     7.4:  2, 3, 8, 9, 11, 12, 14;
     10.1:  3, 7, 8, 13, 20, 21, 23, 28, 38, 39, 40.
  Grading: 19 points, distributed as follows:
     7.4:  2, 8 = 2 points each, 12 = 3 points, 14 = 2 points;
     10.1:  3, 8, 13 = 1 point each, 20 = 2 points, 23, 28, 38 = 1 point each, 40 = 2 points.

   Due Wednesday November 21 :
     7.2:  5, 9, 10, 13, 14, 16, 21, 23, 25;
     7.3:  3, 4, 6, 13, 14, 25, 30, 32.
  Grading: 20 points, distributed as follows:
     7.2:  10 = 1 point, 14, 21, 23, 25 = 2 points each;
     7.3:  4, 14 = 2 points, 30 = 3 points, 32 = 4 points.

   Due Wednesday November 14 :
     6.1:  7, 17, 18, 24, 29
     6.2:  3, 5, 6, 10, 15, 17, 27, 28;
     7.1:  1, 3, 5, 8, 11, 18, 21, 24, 26.
  Grading: 26 points, distributed as follows:
     6.1:  7, 18, 24, 29 = 2 points each;
     6.2:  6, 10, 17, 28 = 2 points each;
     7.1:  8, 18, 21a, 24, 26 = 2 points each.

   Due Monday, November 5 :
     5.6:  3, 5, 7, 14, 16, 21, 22
  Grading: 10 points, distributed as follows:
     5.6: 3 = 2 points, 14 = 3 points 16 = 1 point, 21, 22 = 2 points each.
     Maple Project: 22 points; 1 point each question.

   Due Wednesday, October 31 :
     5.4:  4, 5, 7, 10, 12, 13, 18, 23;
     5.5:  3, 4, 12, 13, 19, 34, 37, 43, 49, 50, 52.
  Grading: 29 points, distributed as follows:
     5.4:   4 = 3 points, 5, 7, 13, 18 = 2 points, 23 = 4 points;
     5.5:   12, 14, 34, 37 = 3 points, 49 = 2 points.

   Due Wednesday, October 24 :
     5.1:  1, 2, 4, 5, 11, 13, 17, 27, 29, 30, 31, 33, 34, 35, 39;
     5.2:  2, 5, 9, 11, 13, 21, 22, 25, 26;
     5.3:  3, 10, 14, 21, 22, 24, 29, 33, 37.
  Grading: 35 points, distributed as follows:
     5.1:   2, 4, 11, 34, 39 = 2 points each, 17 = 1 point;
     5.2:   2, 9, 11, 13, 22 = 2 points, 26 = 1 point;
     5.3:   10, 14, 22, 29, 37 = 2 points; 33 = 3 points.

   Due Wednesday, October 17 :
     4.3:  16, 17, 18, 21, 22, 23, 25;
     4.4:   1-4, 8-10, 21, 26, Use technology!!!, 27-32 if you're interested in the "WHY?"
     4.5:   1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 15, 19, 21, 23, 25;
  Grading: 32 points, distributed as follows:
     4.3:   16, 22, 25 = 2 points each;
     4.4:   1, 2, 3, 4, 8 = 1 point each, 10, 25, 26 = 2 points each;
     4.5:   3, 5, 7 = 1 point each, 8, 10, 13, 15, 21, 25 = 2 points each,

   Due Wednesday, October 10 :
     4.1:  1, 7, 9, 10, 15, 16, 19, 21, 25, 26, 31, 33, 37, 38 ;
     4.2:  5, 6, 9, 15, 16, 24, 25, 27, 29 ;
     4.3:  1, 3, 6, 9, 10.
  Grading: 27 points, distributed as follows:
     4.1:   10, 16, 19, 26, 31, 33 = 2 points each, 38 = 1 point;
     4.2:   6, 9, 15, 27 = 2 points each;
     4.3:   1 = 1 point, 6, 9, 10 = 2 points each.

   Due Wednesday, October 3 :
     3.6:  3, 13, 17, 21, 33 This material will be on the midterm!

   Due Wednesday, September 26 :
     3.3:  13, 15, 18, 32;
     3.4:  3, 5, 7, 10, 13, 19, 31, 32, 34, 39, 44;
     3.5:  5, 7, 8, 13, 23, 30, 31, 32, 33.
  Grading: 25 points, distributed as follows:
     3.3:   13, 18, 32 = 2 points each;
     3.4:   7, 10 13 = 1 point each, 19, 31 = 2 points each, 39 = 1 point;
     3.5:   7, 8, 13, 23 = 2 points each, 30 = 1 point, 32 = 2 points.

   Due Wednesday, September 19 :
     2.4:  5
     2.5:  5, 25
     2.6:  5
     3.1:  1, 4, 11, 16, 17, 19, 23, 29, 32, 33, 34
     3.2:  7, 8, 9, 13, 17, 29 30
     Please work exercises in 3.1 and 3.2 by hand, but feel free to check your answers with technology. Technology is encouraged for the 2.4-2.6 problems. In particular, the handout from Wednesday would be helpful. It's on our handouts page.
  Grading: 24 points, distributed as follows:
     2.4:   5 = 2 points;
     2.5:   5 = 2 points, 25 = 4 points;
     2.6:   5 = 2 points;
     3.1:   4 = 1 point, 11 = 2 points, 16 = 1 point, 23, 29, 32 = 2 points each;
     3.2:   8, 13 = 2 points each.

   Due Wednesday, September 12 :
     Maple project I is also be due on the 12th, along with your book hw!!! Unlike the book hw, the Maple project can be handed in at any time on Wednesday.
     2.1:  1, 3, 6, 8, 9, 11, 12, 19;
     2.2:  5, 7, 9, 12, 14, 15, 21;
     2.3:  2, 3, 9, 10, 17, 18.
  Grading: 25 points, distributed as follows:
     2.1:   3, 8, 12 = 2 points each; 19a = 1 point, 19b = 2 points;
     2.2:   7, 9, 15, 21 = 2 points each;
     2.3:   2a = 2 points, 2b = 1 point; 10 = 3 points, 17 = 2 points.

   Due Wednesday, September 5 :
     1.4:  3, 4, 9, 12, 14, 19, 20, 22, 37, 45, 54, 55, 60
     1.5:   1, 7, 8, 13, 20, 33, 36, 38, 41
  Grading: 26 points, distributed as follows:
     1.4:  9 = 1point, 20, 22 = 2 points each; 37 = 3 points, 45 = 2 points, 55 = 3 points;
     1.5:  8, 20, 33 = 2 points each; 38a = 1 point, 38b = 2 points, 38c = 1 point; 41 = 3 points.


   Due Wednesday, August 29:
     1.1:  3, 4, 7, 15, 16, 19, 20, 27, 28, 33, 35, 36
     1.2:   5, 7, 10, , 13, 14,, 19, 21, 25 (replace dy/dx by dv/dt), 26, 29, 30, 36
     1.3:   3, 6, 8, 11, 12, 16, 21, 24 32, 33.
  Grading: 24 points, distributed as follows:
     1.1:  7, 20 = 2 points each; 28, 36 = 1 point each;
     1.2:  7, 10, 25, 26, 30, 36 = 2 points each;
     1.3:  8, 12 = 2 points each; 21, 24 = 1 point each.