MATH 245: Elementary Differential Equations and Linear Algebra

Fall 2009

  • (12/2) Here are the solutions to midterm I and solutions to midterm II.
  • (11/16) Here is a sample midterm II.
  • (10/10) Here is a sample midterm I with handwritten or typed up solutions. (10/14: Solution to #3 corrected.)
  • (8/25) Two Handouts: Course Syllabus (Updated on 8/27: HW will be work 200/600 points total instead of 100/500 previously) and Withdrawl Policy.

    Homework Exercises

    X.Y means section Y of chapter X. Optional problems are listed in parentheses.

    Homework #1: Due 9/1
    1.1: 1-25odd, 27, 29, 31, 45
    1.2: 1-17odd, 19, 24, 25, 27, 30, (41)
    1.3: 1, 3, 5, 11, 13, 27, 29

    Homework #2: Due 9/10
    1.4: 1-27odd, 33, 35, 44, 54, 55, (64), 65
    1.5: 1-17odd, 26, 28, 33, 36, 38, (41)
    1.6: 1, 5, 9, 13, 17, 21, 31, 33, 43, 53

    Homework #3: Due 9/22
    2.1: 1, 5, 9, 13
    2.2: 1, 5, 9
    2.3: 3, 10, 19, 20, 22
    2.4: 1, 5, 11, (17)

    Homework #4: Due 9/29
    5.1: 1, 5, 9, 13, 17, 21, 24, 30, 31, (32), 33-41odd
    5.2: 1, 5, 7, 9, 13, 17, 21, 26, (37)

    Homework #5: Due 10/6
    5.3: 1-17odd, 21, 23, 25, (50)
    5.4: 1, 3, 12, 15, 19, (33)

    Homework #6: Due 10/15
    5.5: 1, 3, 9, 11, 17, 20, 21-29odd, 31, 39, 41, 47, 55, 57, 59
    5.6: 1, (5), (6), 7, 11, 15, 17, 20

    Homework #7: Due 10/27
    3.1: 9, 21
    3.2: 11, 17
    3.4: 1, 5, 6, 9, (29), 32, 43
    3.5: 1, 5, 11, 17, 32
    3.6: 4, 11, 18, (31), (33), 50

    Homework #8: Due 11/5
    6.1: 1, 5, 9, 13, 19, 25
    6.2: 1, 5, 9, 13, 21
    6.3: 1, 5, 13, 36, 38

    Homework #9: Due 11/19
    7.1: 1, 5, 11, 17, (24), (26)
    7.2: 1-11odd, 13, 15, 21, 24
    7.3: 1, 3, 5, 7, 13, 15
    7.5: 1, 3, 5

    Homework #10: Due 12/10
    10.1: 1, 3, 7, 11, 13, 19, 21, 23, 25, 27, 31, (40)
    10.2: 3, 7, 11, (17)
    10.3: 1, 3, 5, 7, 9, 11, 13, 15, 27, 29, 37

     
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      Last updated: August 24, 2009