Consider the following linear program (LP): minimize -2x1 + x2 subject to + x2 X3 = 3 X1 + x2 + X4 6. %3D X1, X2, X3, x4 > 0 (a) Write the initial simplex tableau for the artificial LP (ALP) associated with this LP. (b) Solve the ALP. Show the optimal tableau and report the optimal solution and objective value. (c) Indicate the parts of the tableau from part 5b that you would use to start phase 2 of the simplex method.

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.8: Linear Programming
Problem 31E
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Consider the following linear program (LP):
minimize -2x1 + x2
subject to
X1
+ X2
X3
= 3
X1
+ x2
X4
X1, X2, x3, 4 > 0
(a) Write the initial simplex tableau for the artificial LP (ALP) associated
with this LP.
(b) Solve the ALP. Show the optimal tableau and report the optimal
solution and objective value.
(c) Indicate the parts of the tableau from part 5b that you would use to
start phase 2 of the simplex method.
(d) Convert the tableau from part 5c to one that represents a basic feasible
solution.
(e) Carry out phase 2 of the simplex method on the tableau from part 5d.
Show the optimal tableau and write the optimal solution and objective value.
Transcribed Image Text:Consider the following linear program (LP): minimize -2x1 + x2 subject to X1 + X2 X3 = 3 X1 + x2 X4 X1, X2, x3, 4 > 0 (a) Write the initial simplex tableau for the artificial LP (ALP) associated with this LP. (b) Solve the ALP. Show the optimal tableau and report the optimal solution and objective value. (c) Indicate the parts of the tableau from part 5b that you would use to start phase 2 of the simplex method. (d) Convert the tableau from part 5c to one that represents a basic feasible solution. (e) Carry out phase 2 of the simplex method on the tableau from part 5d. Show the optimal tableau and write the optimal solution and objective value.
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