IEOR 3608, Fall 2001: Homework 01

Assigned: Friday, September 7, 2001
Due: Friday, September 14, 2001, 4PM, in IEOR department office

General Instructions

  1. Please review the course information.
  2. You must write down with whom you worked on the assignment. If this changes from problem to problem, then you should write down this information separately with each problem.
  3. Numbered problems are all from the textbook Introduction to Mathematical Programming.

Problems

  1. p. 52, Problem A4 (formulate the LP) and p.60, Problem A2 (graphically solve the LP).
  2. p. 52, Problem B5.
  3. p. 66, Problem A5 and A6. Please explain your answer.
  4. p. 109, Problem A4. You only need to formulate the LP. You do not need to solve it.
  5. p. 115, Problem B44. You only need to formulate the LP. You do not need to solve it.
  6. Extra Credit:
    1. Is it always true for a 2 variable LP, that if it has multiple optimal solutions, then the objective function must be parallel to one of the constraints ? Prove it, or find a counterexample.
    2. Is it always true for a 3 variable LP, that if it has multiple optimal solutions, then the objective function must be parallel to one of the constraints ? Prove it, or find a counterexample.


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cliff@ieor.columbia.edu