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Math 335: Ordinary Differential Equations; Spring 2019.




Instructor: Dr. Stefan Forcey Textbook: Required: "A First Course in Differential Equations," 11th edition, by D. Zill.

Course Syllabus.
The syllabus will include information about grading policies, exam schedules and policies, etc. You should definitely read it.
Jan. 15: Day one.
Jan. 21: No class on Martin Luther King day.
Jan. 27: Last day to drop.
Test 1: Thursday, Feb 14. Here is the Methods List
Here are the Review Questions
and the Review Answers. Also study quizzes 1-3, and homework!

Feb. 19: No class, Pres. day.
Mar. 3: Last day to withdraw.
Mar. 25-29: Spring break.
Test 2: Thursday, April 11
Here are the Review Questions
and the Review Answers. Also study quizzes 4-8, and homework!

May. 2: Last day.
COMPREHENSIVE FINAL EXAMINATION Date Tuesday May 7, 7:45-9:45am.
For review:
Rework the previous two exams and reviews, and extra problems if needed.
Also, here are Review Questions for chapters 6-7, which are also on the final,

Here's an approximate schedule of what we'll be doing this semester. Emphasis on the "approximate".

Homework
There will be homework assigned weekly, and the assignments will be posted here.
They will not be collected, but the quizzes will be based on them.
  • Homework 1: not collected, Take-home quiz on Thurs, Jan. 17th. due Thurs 1/24.
  • Homework 2: not collected, Take-home quiz on Thurs, Jan. 24th. due Thurs 1/31 (snow date 2/5).
    • 1.2: 1-27 odd, skip 15
    • 2.2: 1-27 odd (not #29)

  • Homework 3: not collected, Take-home quiz on Tues, Jan. 29th. due Tues Feb 5 (snow date 2/7).
    • 2.4: 1-25 odd, 31, 33
    • 2.3: 1-19 odd, 25, 27

  • Homework 4: not collected.
    • 2.5: 15-22
    • 1.3: 5,9,10,11
    • 3.1: 13,15,21,22,23,42

    Test 1 ends here.

  • Homework 5: not collected. Take home quiz due Feb. 28.
    • 4.1: 1-5,9,10,15-18,23,24,25,31,33

  • Homework 5: not collected. Take home quiz Feb. 28, due March. 7.
    • 4.2: 9-17 (18 optional)
    • 4.3: 1-11 odd, 15, 21, 29, 33, 37, 39

  • Homework 6: not collected. Take home quiz March. 7, due March 12.
    • 4.4: 1-11 odd, 14, 17, 18, 23, 27, 37
    • 4.6: 1, 3, 5, 11, 13, 15, 19, 9(optional)

  • Homework 7: not collected. Take home quiz March. 12, due March 19.
    • 4.7: 1-13 odd, 25, 27
    • 5.1: 1, 3, 5, 21, 23, 25, 29, 31, 33

  • Homework 8: not collected. Take home quiz March. 19, due April 4.
    • 3.3: 6,8
    • 8.1: 1-13 odd, 23
    • 8.2: 3,5,7, 13, 19, 21, 33

    Test 2 ends Here!

  • Homework 9: not collected. Quiz 4/16(Take-home, due 4/23).
    • 6.1: 23, 25, 27, 29
    • 6.2: 19, 21, 22
  • Homework 10: not collected. Quiz 4/23 (Take-home, due 4/30).
    • 7.1: 5, 7, 9, 11, 13, 19, 23, 27, 31, 35, 37
    • 7.2: 1, 3, 4, 9, 11, 13, 15, 17, 19, 25, 33, 35, 37
    • 7.3: 1, 3, 5, 7, 11, 13, 15, 37, 39, 47, 63, 67




  • Many more hours available: tutoring in the math lab(s).


  • For integration, you can't beat wolfram alpha , which now offers great step-by-step solutions to ODE's!
    (with free account sign-up.) There is a lot of information with each solution,
    including graphs of the entire family of specific solutions.

    Here is a function whose power series has coefficients the triangular numbers, n choose 2.


  • Philosophy of Math: Plato vs Aristotle
    Wigner on the unreasonable effectiveness of math.
    Hamming on the same.
    More of the story.
    Even more--Tegmark's response.
    A book about Aristotle's view.

    A bit of teaching philosophy:
    Lockhart's lament.

    A bit of history:
    pure math by Archimedes.


    CREDIT:
    The text of this page was adapted, with permission, from an original course site by J.P. Cossey.