Assignment #16 (Due Wednesday, 3/1/06)
Posted: Mon Feb 27 12:27:38 MST 2006
- 2.5: 4, 8, 10, 16
- 3.1: 6, 10, 12
- 3.1: 33-36
Assignment #15 (Due Tuesday, 2/28/06)
Posted: Tue Feb 21 17:23:17 MST 2006
Problem-2 Key Posted: Fri Mar 3 09:36:24 MST 2006
Remaining Keys Posted: Tue Mar 7 18:23:46 MST 2006The problem is to choose one of the even-numbered 1.10 problems and solve it. Your solution should consist of three parts:Try for a problem relevant to your major. Some problems may be worth more than others.
- An explanation, using prose, of how you derived the relevant matrices from the story.
- A Maple worksheet showing the computations.
- An explanation of the solution of the problem -- an interpretation of the the results of the computation.
Click here for a relevant(?) Maple worksheet of some examples.
Links to Maple answer keys:
Assignment #14 (Due Tuesday, 2/21/06)
Posted: Fri Feb 17 11:38:52 MST 2006
Corrected: Fri Feb 17 11:41:42 MST 2006
- Problem 1(b) in the revised version of the Assignment-#10 problem set.
- 2.2: 14, 16, 18, 24
- 2.2: 34 (check out 33 first)
NASA Opportunity -- Idaho RLEP
Posted: Thu Feb 16 13:49:32 MST 2006Check out Idaho RLEP link here.
Review Suggestions for Test #1, Friday, 2/24/06
Posted: Thu Feb 16 11:22:30 MST 2006Check out the Rev1 button above for an under-construction blurb about the test.
Assignment #13 (Due Friday, 2/17/06)
Posted: Wed Feb 15 12:38:03 MST 2006
- 2.2: 8, 10
- 2.2: 21, 22, 23, 32
Tuesday 2/14/06 In-Class Quiz
Posted: Tue Feb 14 14:38:35 MST 2006Questions here. Answers here, maybe.
Assignment #12 (Due Wednesday, 2/15/06)
Posted: Mon Feb 13 12:07:12 MST 2006
- 2.1: 16 (with theorem citation or counterexample)
- 2.1: 23 ("S'pose not...")
- 2.1: 24
- 2.1: 25
Assignment #11 (Due Monday, 2/13/06)
Posted: Wed Feb 8 11:42:30 MST 2006
- 1.9: 14, 16, 21, 22
- 1.9: 24 (with prose reasons)
- 1.9: 28
- 1.9: 29, 30 (Change these two problems: come up with the possible reduced echelon forms. Like, RREFs.)
Tuesday 2/7/06 In-Class Quiz
Posted: Tue Feb 7 14:08:02 MST 2006
Answer Key Enhanced: Tue Feb 7 21:46:54 MST 2006Questions here. Answers here, maybe.This was supposed to be the Monday quiz.
Assignment #10 (Due Friday, 2/10/06)
Posted: Tue Feb 7 12:20:40 MST 2006
Revision Posted: Fri Feb 17 10:30:57 MST 2006Click here for the questions.Click here for a revised version.
Assignment #9 (Due Monday, 2/6/06)
Posted: Fri Feb 3 14:08:44 MST 2006
- 1.9: 4, 6, 8
Assignment #8 (Due Monday, 2/6/06)
Posted: Fri Feb 3 14:08:53 MST 2006A nice writeup.
- 1.8: 34
Assignment #7 (Due Friday, 2/3/06)
Posted: Wed Feb 1 12:32:34 MST 2006
Assignment Number Fixed: Thu Feb 2 10:42:44 MST 2006
- 1.8: 6
- 1.8: 10, 12 (affiliated)
- 1.8: 24, 30, 31
Assignment #6 (Due Wednesday, 2/1/06)
Posted: Mon Jan 30 12:32:19 MST 2006
- 1.6: 12
- 1.7: 12, 22, 34, 36, 38
Assignment #5 (Due Monday, 1/30/06)
Posted: Fri Jan 27 12:33:39 MST 2006Read all of the problems before attempting solutions. Some are related, so time economies are possible.
- 1.5: 2, 4, 6
- 1.5: 8, 12 (read these more carefully than Kerr did -- these are not augmented matrices)
- 1.5: 16
- 1.5: 20 (write also an MATH-108 y = mx + b equation for this line).
- 1.5: 38 (needs some prose)
Link to Undergraduate-Research Conference - 4/17/06
Posted: Thu Jan 26 17:09:00 MST 2006Check it out here.
General Notes from Grading #3
Posted: Wed Jan 25 11:09:31 MST 2006Herewith let me nag you about the following:
- Be sure to answer the question posed. Some problems require you to do a computation, and THEN write something that shows you know what the computation MEANS: "NO, b is NOT a linear combination of the columns of matrix M, because, as the above computation shows, the system Mx = b is inconsistent."
- The word "it" must not supplant the first appearance of an item in your prose answer: "NO, it is NOT a linear combination of it's columns, because, as the above computation shows, it is inconsistent."
- 1.3: 18 is eased by doing EROs until the coefficient matrix is in RREF.
- The empty-set symbol is hardly ever a good answer to the problems we're in currently. It is a set, not a bit of vernacular prose...
- Doing too much "mentally"? In replacement operations, your instructor has to write those little exponent-ish row multiples just to stay on track. Maybe you do, too.
- A lot of folks had the same incorrect starting vectors for 1.3: 12. Is there more than one edition of the text out there?
Assignment #4 (Due Friday, 1/27/06)
Posted: Tue Jan 24 12:13:03 MST 2006Many of these problems require prose answers of the form "Yes, ...." or "No, ...".
- 1.4: 14, 16, 18, 20
- 1.4: 24(briefly justify)
Monday 1/23/06 In-Class Quiz
Posted: Mon Jan 23 14:35:01 MST 2006Questions here. Answers here, maybe.
Assignment #3 (Due Tuesday, 1/24/06)
Posted: Fri Jan 20 12:09:36 MST 2006
Due Date Bumped: Fri Jan 20 14:24:14 MST 2006
Corrected: Fri Jan 20 15:38:08 MST 2006To hand in:Others you ought to study (not to hand in): 1.3: 2, 5, 9, 23, 25, 29, 30.
- 1.1: 34 (like, section 1.1)
- 1.3: 4, 12, 14, 18, 26
Assignment #2 (Due Wednesday, 1/18/06)
Posted: Tue Jan 17 10:18:59 MST 2006The plan is to get slick and competent with the augmented-matrix methods for solving systems of linear equations. Assignment #2 is just to hand in the following four problems.In your studies leading up to preparing the to-hand-in problems, be sure you make it to, at a minimum, the following (to study, but not to turn in):
- 1.2: 12, 14, 16, 20
If you give all these a try, then you should be ready to dash off the to-hand-in problems above and you should be ready for any little in-class quizzes that might turn up.
- 1.1: 5, 7, 9, 11
- 1.1: 17, which you must change to a question about the solution set of one linear system
- 1.1: 19
- 1.1: 23
- 1.1: 25
- 1.1: 33
Assignment #1 (Due Wednesday, 1/18/06)
Posted: Tue Jan 17 09:27:41 MST 2006Turn in the Web-Site Quiz handed out in class on Tuesday, 1/17/06. Click here if you missed getting a copy.
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