Q4. Consider the following LP problem and its optimal final tableau shown below: (LP): max z = 2x1 + x2-x3 Basic x1x2 x3 x4 x5 RHS s.t. x1 + 2x2 + x3 ≤8 Z 0 3 -x1 + x2-2x3 ≤4 x1 12 1 1 x1, x2, x3 20 x5 0 3 -1 1 x4 and x5 are slack variables in the 1*., and 2nd constraints respectively, Fill out the empty cells in the given optimal simplex tableau. b) What is the optimality range for c, ? a) c) What is the feasibility range for b₂ ? d) If the coefficient of x2 in the objective function is changed from 1 to 3, calculate the corresponding changes, detemine whether the current optimum is changed? 0 1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
icon
Related questions
Question
Q4. Consider the following LP problem and its optimal final tableau shown below:
(LP): max z = 2x1 + x2-x3
Basic x1 x2 x3 x4 x5 RHS
s.t.
Z
0 3
x1 + 2x2 + x3 ≤8
-x1 + x2-2x3 ≤4
x1
12
1
x1, x2, x3 20
x5
0 3
-1
x4 and x5 are slack variables in the 1s., and 2nd constraints respectively,
a) Fill out the empty cells in the given optimal simplex tableau.
b)
What is the optimality range for c, ?
What is the feasibility range for b₂ ?
If the coefficient of x2 in the objective function is changed from 1 to 3, calculate the
corresponding changes, detemine whether the current optimum is changed?
c)
d)
1
1
0
1
Transcribed Image Text:Q4. Consider the following LP problem and its optimal final tableau shown below: (LP): max z = 2x1 + x2-x3 Basic x1 x2 x3 x4 x5 RHS s.t. Z 0 3 x1 + 2x2 + x3 ≤8 -x1 + x2-2x3 ≤4 x1 12 1 x1, x2, x3 20 x5 0 3 -1 x4 and x5 are slack variables in the 1s., and 2nd constraints respectively, a) Fill out the empty cells in the given optimal simplex tableau. b) What is the optimality range for c, ? What is the feasibility range for b₂ ? If the coefficient of x2 in the objective function is changed from 1 to 3, calculate the corresponding changes, detemine whether the current optimum is changed? c) d) 1 1 0 1
Expert Solution
steps

Step by step

Solved in 8 steps with 7 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Advanced Engineering Mathematics
Advanced Engineering Mathematics
Advanced Math
ISBN:
9780470458365
Author:
Erwin Kreyszig
Publisher:
Wiley, John & Sons, Incorporated
Numerical Methods for Engineers
Numerical Methods for Engineers
Advanced Math
ISBN:
9780073397924
Author:
Steven C. Chapra Dr., Raymond P. Canale
Publisher:
McGraw-Hill Education
Introductory Mathematics for Engineering Applicat…
Introductory Mathematics for Engineering Applicat…
Advanced Math
ISBN:
9781118141809
Author:
Nathan Klingbeil
Publisher:
WILEY
Mathematics For Machine Technology
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,
Basic Technical Mathematics
Basic Technical Mathematics
Advanced Math
ISBN:
9780134437705
Author:
Washington
Publisher:
PEARSON
Topology
Topology
Advanced Math
ISBN:
9780134689517
Author:
Munkres, James R.
Publisher:
Pearson,