Math 23, Winter 2005

Differential Equations

General Information Syllabus Homework Assignments Exam Related



Homework assignments

Practice problems are not to be submitted, but are very important. You are encouraged to do even more of these than are assigned. Please use the solutions in the back of the book to be sure that you understand these problems thoroughly.

Written assignments will be submitted in class. These will emphasize proofs, and must conform to the following proof-writing standards.



Week of Feb 28 -- Mar 4, 2005

Friday, March 4:
  • Read
    10.8.
  • Practice problems  (for next class period)
    10.8: 2.
  • Written assignment  (for Wednesday, March 9)
    10.8: 3a.
Wednesday, March 2:
  • Read
    10.7.
  • Practice problems  (for next class period)
    10.7: 2.
  • Written assignment  (for Wednesday, March 9)
    10.7: 6.
Monday, February 28:
  • Read
    10.6
  • Practice problems  (for next class period)
    10.6: 6, 11.
  • Written assignment  (for Friday, March 4)
    10.6: 13, 14.

Week of Feb 21 -- Feb 25, 2005

Friday, Febrary 25:
  • Read
    10.5.
  • Practice problems  (for next class period)
    10.5: 3, 5, 9.
  • Written assignment  (for Friday, March 4)
    10.5: 6, 10.
Wednesday, February 23:
  • Read
    10.3, 10.4.
  • Practice problems  (for next class period)
    10.3: 7.
    10.4: 8.
  • Written assignment  (for Friday, February 25)
    10.3: 15.
    10.4: 13.

Week of Feb 14 -- Feb 18, 2005

Friday, Febrary 18:
  • Read
    10.1 - 10.2.
  • Practice problems  (for next class period)
    10.1: 7, 19.
    10.2: 14.
  • Written assignment  (for Friday, February 25)
    10.1: 5.
    10.2: 16, 18.
Wednesday, February 16:
  • Read
    5.3.
  • Practice problems  (for next class period)
    5.3: 5.
  • Written assignment  (for Friday, February 18)
    5.3: 7.
Monday, February 14:
  • Read
    5.2
  • Practice problems  (for next class period)
    5.2: 7, 17.
  • Written assignment  (for Friday February 18)
    5.2: 8, 15.

Week of Feb 7 -- Feb 11, 2005

Thursday, Febrary 10:
  • Read
    5.1.
  • Practice problems  (for next class period)
    5.1: 12, 21.
  • Written assignment  (for Friday, February 18)
    5.1: 14, 25.
Wednesday, February 9:
  • Read
    9.3.
  • Practice problems  (for next class period)
    9.3: 7, 17.
  • Written assignment  (for Friday, February 18)
    9.3: 10, 19.
Monday, February 7:
  • Read
    9.2
  • Practice problems  (for next class period)
    9.2: 6.
  • Written assignment  (for Thursday February 10)
    9.2: 14.

Week of Jan 31 -- Feb 4, 2005

Friday, Febrary 4:
  • Read
    2.5, 9.1.
  • Practice problems  (for next class period)
    2.5: 7.
    9.1: 7.
  • Written assignment  (for Thursday, February 10)
    2.5: 12, 21.
    9.1: 9.
Thursday, February 3:
  • Read
    7.6, 7.8.
  • Practice problems  (for next class period)
    7.6: 12.
    7.8: 2, 6.
  • Written assignment  (for Thursday, February 10)
    7.6: 11.
    7.8: 9.
Wednesday, February 2:
  • Read
    7.5, 7.6.
  • Practice problems  (for next class period)
    7.5: 3, 7, 24.
    7.6: 6.
  • Written assignment  (for Friday, February 4)
    7.5: 4, 8, 26.

Week of Jan 24 -- Jan 28, 2005

Friday, January 28:
  • Read
    7.2, 7.3, 7.4.
  • Practice problems  (for next class period)
    7.2: 21.
    7.3: 2, 3, 16.
  • Written assignment  (for Friday, February 4)
    7.2: 23.
    7.3: 20.
    7.4: 7.
Wednesday, January 26:
  • Read
    7.1.
  • Practice problems  (for next class period)
    7.1: 20.
  • Written assignment  (for Friday, January 28)
    7.1: 22.
Monday, January 24:
  • Read
    3.8, 3.9.
  • Practice problems  (for next class period)
    3.8: 3, 6, 8.
    3.9: 5, 11.
  • Written assignment  (for Friday, January 28)
    3.8: 7, 24.
    3.9: 9, 10, 12.

Week of Jan 18 -- Jan 21, 2005

Friday, January 21:
  • Read
    3.6, 3.7.
  • Practice problems  (for next class period)
    3.6: 14.
    3.7: 11.
  • Written assignment  (for Friday, January 28)
    3.6: 17.
    3.7: 16.
Thursday, January 20:
  • Read
    3.5.
  • Practice problems  (for next class period)
    3.5: 24, 25.
  • Written assignment  (for Friday, January 28)
    3.5: 26.
Wednesday, January 19:
  • Read
    3.2, 3.3.
  • Practice problems  (for next class period)
    3.2: 9, 25.
    3.3: 7, 27.
  • Written assignment  (for Friday, January 21)
    3.2: 16.
    3.3: 25.

Week of Jan 10 -- Jan 14, 2005

Friday, January 14:
  • Read
    3.1, 3.4, 3.5.
  • Practice problems  (for next class period)
    3.1: 1, 5, 13.
    3.4: 1, 5, 11.
  • Written assignment  (for Friday, January 21)
    3.1: 21.
    3.4: 25.
    3.5: 16.
Wednesday, January 12:
  • Read
    2.3.
  • Practice problems  (for next class period)
    2.3: 1, 7.
  • Written assignment  (for Friday, January 14)
    2.3: 4, 8.
  • Written assignment  (for Friday, January 21)
    2.3: 13, 16.
Monday, January 10:
  • Read
    2.1, 2.4.
  • Practice problems  (for next class period)
    2.1: 13, 15.
    2.4: 1.
  • Written assignment  (for Friday, January 14)
    2.1: 24, 30.

Week of Jan 4 -- Jan 7, 2005

Friday, January 7:
  • Read
    2.2, 2.6.
  • Practice problems  (for next class period)
    2.2: 3, 7.
    2.6: 3, 8.
  • Written assignment  (for Friday, January 14)
    2.2: 22, 28 (a, b only), 29.
    2.6: 11, 13, 15.
Wednesday, January 5:
  • Read
    1.1-1.3.
  • Practice problems  (for next class period)
    1.1: 15-20.
    1.2: 1.
    1.3: 7, 17.
  • Written assignment  (for Friday, January 14)
    1.2: 3.
    1.3: 27.