Teaching and Advising
2000 | Fall
2000 | Spring 2001 |
Fall 2001 Roe |
Jan 6. Number of students : 40 .
|Math 484.1, Linear Programming | outlines
textbook: class notes.
| integrity |
class time: MWF 10:10-11, 102 McAllister
MWF 8:30-10:00 am.
|Current Topic: ch.6
100%= 466 pts after h8
= sum of max.
reg. max=446 pts.
Jan 7 class. See corrected handout: outlines
Quiz (q1). Problem 1: Most of students got the answer:
x=-53, y = - 37.
Problem 2: Most of students got x=b/a which works
only for nonzero a. 2 pts were given for this.
The best score was 4 pts. The problem is solved in the class
notes. Similar problems will
be given again and again until most of students learn to avoid division
Jan 9 class. q2: Both 0=0 and 0=1 are linear constraints. Moreover,
they are the most important
Jan 16. q3: min=-72 at x=0, y=-9. The feasable region
is a hexagon.
Jan 18. 0=1 is a linear equation with no solutions.
F Febr 1: § 9. Homework 3 collected, 20 pts.
M Febr 4: § 10.
W Febr 6: midterm 1, 50 points, covers ch. 1-3.
M Feb. 18. h5 (solve your diet problem) due, 30 pts.
F Febr 22. q5, In Ex.7, the "solution" does
not satisfy any of 3 constraints in the tableau.
In Ex.8-10, the solution is feasible.
The solutions in Ex.7,8, 10 cannot be optimal because the values
for the objective function, 13,2,3 are greater
than the value -1 in Ex. 9.
The solution in Ex.9 is optimal, because -1 is a feasible value
the dual problem: y6=1,y7=2,y8=1, all other y's = 0,
where yi corresponds to xi.
W Febr 27. Midterm 2, solving linear programs.,
50 pts. pictures
Midterm 4 pictures.
F April 19. The last homework, Solve
the two problems from q8,
15 pts for each problem.
F April 26, the last class. Grades for 38 students:
W, WF,WN, 3 WP, F, D, 2 C, 2 C+, the rest are B- or better.
Corrections to the class notes.
tdcp was corrected on April 21, 2002.
ch 1 was corrected on April 21, 2002.
ch 2-5 were corrected on March 13, 2002.
ch 6 was corrected on March 20, 2002.
ch7 was corrected on March 13, 2002.
ch8 was corrected on April 22, 2002.
ap was corrected on April 21, 2002.
bai was corrected on March 14, 2002.
So I spend 2 weeks collecting data to show that it is
linear, and it turns
out to be certainly NOT linear and most definitely
parabolic, so I call a
meeting of the hardware people to discuss options
for fixing the hardware so
that my data does come out linear, and the solotion
was: Ignore the data on the right side of the parabola.
Then the data on the left side looks almost linear.
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