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Last updated 9/20/02 12:05 p.m.
MCS-221 Problem Assignments: Fall 2002
| Section
| Practice problems*
| Problems to turn in
| Due date
|
| 1.1
| 1, 2, 3, 13, 21
| 6, 8, 9*, 14, 20
| T 9/10
|
| 1.2
| 3, 5, 11, 15, 19, 23
| 2, 14, 20, 22*
| T 9/17
|
| 1.3
| 1, 5abcgh, 9, 11
| 5def
| T 9/17
|
| 1.4
| 1, 3, 5ace, 7, 9, 13
| 5bd
| F 9/20
|
| 1.2-1.4
| ON LINE problems
| p. 54 #(2)
| F 9/20
|
| 1.5
| 1, 5, 7, 9, 17, 23, 25, 27
| 4, 10, 12, 22
| F 9/27
|
* These are merely some suggested problems.
You should work as many problems as necessary to master the ideas.
Unless otherwise indicated, the problems are from our text,
Linear Algebra: Ideas and Applications, by Richard Penney.
Homework rules
- Acknowledge your sources (people and texts).
- In nontrivial problems, show how you get your answers.
- Turn in neat, well-written solutions, not messy first drafts.
Trim "fringes." Staple.
- Do not copy collaborative solutions; write up solutions in your own words.
- Turn in homework on time. Each class day late reduces the possible points
by 25%.
- Do extra credit problems entirely on your own.
Proof Portfolio (Perfect Proofs)
- Problem 1.1 #9
- Problem 1.2 #22
Proofs
- Proofs should be written in complete sentences. Mathematical
expressions should be embedded in a grammatically sensible way. Look
at your math texts to see how this is done.
- Every step in a proof is or can be justified by a reason.
Valid reasons include assumptions, definitions, and previously
established results. The extent to which reasons are omitted and
proofs abbreviated depends on the audience.