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assignment5

# assignment5 - maximize 3 x 3 subject to x 2 x 3 ≤ 4-x 2 x...

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ORIE 3300/5300 ASSIGNMENT 5 Fall 2011 Individual work. Due: 11am, Tuesday October 4. (a) Introduce slack variables in the linear program below. Then solve it us- ing the simplex method. Use the slacks as the initial basic variables. At each iteration, use the “smallest subscript rule”: whenever the simplex method allows you a choice between several possible entering variables, choose the one with the smallest subscript, and use the same rule when the method allows you a choice between possible leaving variables.
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Unformatted text preview: maximize 3 x 3 subject to x 2 + x 3 ≤ 4-x 2 + x 3 ≤ x 1 + x 3 ≤ 4-x 1 + x 3 ≤ x 1 , x 2 , x 3 ≥ . (b) At which iterations was the basic feasible solution degenerate? (c) Which of the pivots you performed are degenerate? (d) Sketch a three-dimensional picture of the feasible region. (e) Which, if any, of the four ≤ constraints is “redundant”? In other words, which, if any, constraint could you delete without changing the feasible region? 1...
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