MATH 208 - Online Announcements

• Here is the final exam, worth 15% of your course grade.
• Follow instructions on the test. You must work alone.
• You do not need to print the problems. You may write your answers on plain paper.
• Take a picture of your work, make sure it is legible, and email me the image(s).
• Include "Math 208 - Your Name" in the subject line.
• Double-check that your email (with attachments) went through.
• The DEADLINE is Sat, Apr 25 at 8am Jeff City time.
• PLEASE double-check your answers.

• Thanks for working hard on the test; the median grade was 91/100.
• Here is the answer key. Let me know if you have any questions.
• I'll post the "open book" exam on Fri, Apr 24 at 8am Jeff City time, and you will have 24 hours.
• The exam will be comprehensive - to study, organize your notes and review your mid-term tests and homework.

• Here is the test.
• Follow instructions on the test. You must work alone.
• You do not need to print the problems. You may write your answers on plain paper.
• Take a picture of your work, make sure it is legible, and email me the image(s).
• Include "Math 208 - Your Name" in the subject line.
• Double-check that your email (with attachments) went through.
• The DEADLINE is Tue, Apr 21 at 8am Jeff City time.
• PLEASE double-check your answers and take this seriously. This is a great opportunity for you to raise your grade.

• We will follow the university exam schedule and have our final exam on Fri, Apr 24.
• I'll post the "open book" exam on Fri at 8am, and you will have 24 hours.
• The exam will be comprehensive - to study, organize your notes and review your mid-term tests and homework.
• By Wednesday, I'll email you your overall average grade entering the final exam (which is worth 15%).

• Keep working on the last HW problems #119-130, and check your answers.
• #121 and #123 are due for 15 points on Sat, Apr 18 at 8am.
  Let me know if you need any help.
• The last midterm test will be Monday, Apr 20. It will cover determinants and eigenvalues.
  Like the last test, it will be "open book" and you'll have 24 hours (from Mon at 8 to Tue at 8).

• I have posted the last HW problems of the semester! #119-130.
  Check your answers with the key.
• Nothing is due over the Easter weekend, but I will ask you to turn in #121 and #123 by Sat, Apr 18 at 8am.
• I decided to postpone the last midterm test to Monday, April 20.

• Remember to send me your HW problems #115e,#117 by Thursday, Apr 9 at 8am.
  Email me if you are having questions.
• Friday/Monday are Easter holiday.
• I decided to postpone the last midterm test to Monday, April 20.
• I will post some more HW problems later today, with a couple of them to be turned in Fri, Apr 17.

• By Wed, Apr 8, do homework #115-118. Check your answers with the key.
• Email me a picture/pdf of your work for #115(e) and #117
  (worth 10 points, due THURSDAY, Apr 9 at 8am)

This week we will learn about the eigenvalue problem.
These videos and notes will cover the material up to the test next Mon, Apr 20. Stay tuned for details.

• Videos:
  • Watch these lectures from Dr. Strang: Eigenvalues and Diagonalization
  • Watch this 3blue1brown: video on eigenvectors
  • Computational examples: One | Two
  • Applications of eigen-stuff
• For instruction and examples on eigenvalues and eigenvectors, work through this VT1114 section and try the lesson problems.
• A summary of eigenvalues has been posted in the notes (#77-95).
• The last three sections of the Octave Demos illustrate working with eigenvalues.
• Homework will be assigned in several stages over the next few class days.
  I'll put the first batch up later today and send out an email to alert you.

• We will have one more mid-term test: on Mon, Apr 20.
• Be sure to watch the videos I posted on Monday.
• I hope everyone is doing ok. Let me know if you are having any questions with the homework.
• Remember to email me your problems #103,107,110 by Monday at 8am.

• This week's homework is #101-114. Check your answers with Octave and the key.
• Refer to the notes and references I posted on Monday, and let me know if you need any help.
• Email me a picture/pdf of your work for #103,107,110 (worth 20 points, due MONDAY, Apr 6 at 8am)
• Bonus points if you find any mistakes in the HW/key.

This week we will do some more with determinants.

• Watch this lecture
• Watch these two 3blue1brown videos: One and Two
• For instruction and examples on the cross product, work through this VT1114 section and try the lesson problems.
• A summary of has been posted in the notes.
• Later today, I will post some problems for you to practice, and pick some be graded due Friday.

Feel free to search youtube for examples of calculating determinants. Here are some examples:

• Using cofactors: One | Two
• Using row reduction: Three | Four

• This week's homework is #98-100. Check your answers with Octave and the key.
• Refer to the notes and references I posted on Monday, and let me know if you need any help.
• Email me a picture/pdf of your work for #100 parts f,g,i (worth 15 points, due Saturday, Mar 28 at 8am)

This week we will learn about determinants.

• Watch these two 3blue1brown videos: One and Two
• Watch videos "properties of determinants" and "determinant formulas and cofactors"
• For instruction and examples on computing determinants, work through this VT1114 section and try the lesson problems.
• A summary of determinants has been posted in the notes.
• On Wednesday, I will post some problems for you to practice, and pick one or two to be graded due Friday.

• Thanks for working hard on the test; the median grade was 87/100.
• Here is the answer key. Let me know if you have any questsions.
• I'll email you individually with your grade.
• Check back Monday and I'll get you started on some new material.

• Here is the test.
• You do not need to print the problems. You may write your answers on plain paper.
• Take a picture of your work, make sure it is legible, and email me the image(s).
• Include "Math 208 - Your Name" is in the subject line.
• Double-check that your email (with attachments) went through.
• The DEADLINE is Sat, Mar 21 at 8am EST.
• You may use any of the notes, homework, or Octave demos that I have posted on the class website.
• PLEASE double-check your answers and take this seriously. This is a great opportunity for you to raise your grade.

• Homework answer key has been updated through #97. Let me know if you have any questions about these problems.
• I will post the test problems Friday at 8am.

• Read and follow along with these examples.
• Finish your homework (#65-97), which is what you are responsible for on Friday's test.
• Email me if you need any help.
• Your test will be posted Friday at 8am. You will have 24 hours to complete it and email me a picture of your work.
• The test is open notes, and you may use Octave to check your answers.

Continue to work on your homework problems, and email me if you need a hint. I'll be posting the remaining answer key online later this morning. If you haven't already, please send me an email as instructed below.

We will have our test on Fri, Mar 20 as planned.

• Fri, Mar 20 at 8am EST I will post a PDF with the test problems.
• Write your answers (show your work) on paper, and take a picture with your phone. Then email me the image.
• The deadline is Sat, Mar 21 at 8am EST
• You are responsible for material covered in the homework (#65-97) since the last test.
• The test will be open notes, and you can use Octave to check your answers.

  
  Monitor the class web page, and the log of announcements:
    https://massey.limfinity.com/208/
    https://massey.limfinity.com/208/corona.htm

• I have posted some examples in the class notes (see especially #60 and 61).
  
• This should be enough information to complete the homework problems through #97, which is what you are responsible for on Friday's test.
  
• You may want to experiment with some demos set up here.
• Do the homework, and let me know via email if you have any questions.
• If you are on campus, we can arrange a time to meet in my office if you want.

  This announcement serves as notice that we are moving the course online indefinitely.

  I will NOT use edvance360. You MUST communicate with me via your cn.edu email address.

  As soon as possible, please start an email thread with me by sending this:

   To: kmassey@cn.edu
   Subject: MATH 208 - Your Name
   Message: hello - I am alive and well.

  Subsequent communication will follow via that email thread.

  Receipt of your initial email according to instructions is your quiz grade for this week.