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2. Consider the following LP and its optimal tableau. A. Identify the row vector c gyand the matr...
2) (25pts) For the LP below: mìn x,-2x2-3x3 +2xa x, +2x,-,+3x, +x,-12 etermine the optimal soluti...
2) (25pts) For the LP below: mìn x,-2x2-3x3 +2xa x, +2x,-,+3x, +x,-12 etermine the optimal solution making use of full simplex table Considering the LP given in Q.2: a) (10pts) Write down the dual of the problem. b) (10pts) From the optimal tableau read the values of the corresponding dual variables. Are the dual variables feasible for the dual problem? c) (15pts) Verify that the complementary slackness conditions are valid for the optimal solutions x and y
2) (25pts) For...
Q4. (Sensitivity Analysis: Adding a new constraint) (3 marks) Consider the following LP max z= 6x1+x2 s.t.xi + x2 S5 2x1 + x2 s6 with the following final optimal Simplex tableau basis x1 r2 S2 rhs 0...
Q4. (Sensitivity Analysis: Adding a new constraint) (3 marks) Consider the following LP max z= 6x1+x2 s.t.xi + x2 S5 2x1 + x2 s6 with the following final optimal Simplex tableau basis x1 r2 S2 rhs 0 0 18 0.5 0.5 0.5 0.5 x1 where sı and s2 are the slack variables in the first and second constraints, respectively (a) Please find the optimal solution if we add the new constraint 3x1 + x2 S 10 into the LP (b)...
2. Consider the linear programm (a) Fill in the initial tableau below in order to start...
2. Consider the linear programm (a) Fill in the initial tableau below in order to start the Big-M Method tableau by performing one pivot operation. (6) The first tableau below is the tableau just before the optimal tableau, and the second one oorresponds to the optimal tableau. Fill in the missing entries for the second one. 1 7 56 M15 25 01 3/2 2 0 0 1/2 0 15/2 #310 0 5/2-1 o 1-1/2 0133/2 a1 a rhs (i) Exhibit...
please Solve This!! Consider a maximization problem with the optimal tableau in Table 73. The optimal...
please Solve This!!
Consider a maximization problem with the optimal tableau in Table 73. The optimal solution to this LP is z = 10, x3 = 3, x4 = 5, x1 = x2 = 0. Determine the second-best bfs to this LP. (Hint: Show that the second-best solution must be a bfs that is one pivot away from the optimal solution.) TABLE 73 z X1 X2 X3 X4 rhs 1 2 10 10 10 0 3 2 1 0 3...
SOLVE STEP BY STEP! 4. Consider the following LP: Minimize z = x; +3x2 - X3...
SOLVE STEP BY STEP!
4. Consider the following LP: Minimize z = x; +3x2 - X3 Subject to x + x2 + x2 > 3 -x + 2xz > 2 -x + 3x2 + x3 34 X1 X2,43 20 (a) Using the two-phase method, find the optimal solution to the primal problem above. (b) Write directly the dual of the primal problem, without using the method of transformation. (c) Determine the optimal values of the dual variables from the optimal...
Problem 3 Consider the LP problem Minimize -3r22 0s1+0s2 +0s3 0s Subject to 228 2r2 + $2 1,2,81,8...
Problem 3 Consider the LP problem Minimize -3r22 0s1+0s2 +0s3 0s Subject to 228 2r2 + $2 1,2,81,82 8384 with optimal tableau as follows: sic r1 T2 s1 s2 s3 s4 Solution C 0 0 20 1 0 0 12 Optimum 0 30 0-103 4 0 021 2 Find the dual optimal solution and the corresponding objective function value using the information provided in the optimal simplex tableau.
Problem 3 Consider the LP problem Minimize -3r22 0s1+0s2 +0s3 0s Subject...
6 Proof of the dual theorem Proof: We will assume that the primal LP is in canonical form Maximiz...
please explain it to me clearly
6 Proof of the dual theorem Proof: We will assume that the primal LP is in canonical form Maximize Zr, such that Arb 20 12 Its dual is Minimize W·ry, such that ATy c (no sign constraints on y). Step 1: Suppose xB is the basic variables in the optimal BFS (say r*) f follows from the above discussion that Row (0) of the optimal tableau will be the Prianal LP. It Basic VariableRow2...
4) (20 pts) Consider the following optimal Simplex Tableau of an LP problem: 11 12 13...
4) (20 pts) Consider the following optimal Simplex Tableau of an LP problem: 11 12 13 0 0 0 14 -4 1 RHS -2-40 0 1 1 1 It is known that 14 and 15 are the slack variables in the first and the second constraints of the original problem. The constraints are stype. Write the original problem.
Duality Theory : Consider the following LP problem: Maximize Z = 2x1 + x2 - x3...
Duality Theory : Consider the following LP problem: Maximize Z = 2x1 + x2 - x3 subject to 2x1 + x2+ x3 ≤ 8 4x1 +x2 - x3 ≤ 10 x1 ≥ 0, x2 ≥ 0, x3 ≥ 0. (a) Find the dual for this LP (b) Graphically solve the dual of this LP. And interpret the economic meaning of the optimal solution of the dual. (c) Use complementary slackness property to solve the max problem (the primal problem). Clearly...
LP PROBLEM PLEASE EXPLAIN thanks Search 3:30 Str1+2 + 23 + 4 2 + 35 (A) Calculate the optimal solution. Write the basis change in the optimal solution . (B) Find Inverse matrix B-1 of the optimal...
LP
PROBLEM PLEASE EXPLAIN
thanks
Search 3:30 Str1+2 + 23 + 4 2 + 35 (A) Calculate the optimal solution. Write the basis change in the optimal solution . (B) Find Inverse matrix B-1 of the optimal basis matrix C.) Consider increasing the constant on the right side of one constraint by 1. At that time, the smallest value of the objective function decreases most when the constant of the constraint is increased? D.) Find the range of t such...
2) (25pts) For the LP below: mìn x,-2x2-3x3 +2xa x, +2x,-,+3x, +x,-12 etermine the optimal solution making use of full simplex table Considering the LP given in Q.2: a) (10pts) Write down the dual of the problem. b) (10pts) From the optimal tableau read the values of the corresponding dual variables. Are the dual variables feasible for the dual problem? c) (15pts) Verify that the complementary slackness conditions are valid for the optimal solutions x and y
2) (25pts) For...
Q4. (Sensitivity Analysis: Adding a new constraint) (3 marks) Consider the following LP max z= 6x1+x2 s.t.xi + x2 S5 2x1 + x2 s6 with the following final optimal Simplex tableau basis x1 r2 S2 rhs 0 0 18 0.5 0.5 0.5 0.5 x1 where sı and s2 are the slack variables in the first and second constraints, respectively (a) Please find the optimal solution if we add the new constraint 3x1 + x2 S 10 into the LP (b)...
2. Consider the linear programm (a) Fill in the initial tableau below in order to start the Big-M Method tableau by performing one pivot operation. (6) The first tableau below is the tableau just before the optimal tableau, and the second one oorresponds to the optimal tableau. Fill in the missing entries for the second one. 1 7 56 M15 25 01 3/2 2 0 0 1/2 0 15/2 #310 0 5/2-1 o 1-1/2 0133/2 a1 a rhs (i) Exhibit...
please Solve This!!
Consider a maximization problem with the optimal tableau in Table 73. The optimal solution to this LP is z = 10, x3 = 3, x4 = 5, x1 = x2 = 0. Determine the second-best bfs to this LP. (Hint: Show that the second-best solution must be a bfs that is one pivot away from the optimal solution.) TABLE 73 z X1 X2 X3 X4 rhs 1 2 10 10 10 0 3 2 1 0 3...
SOLVE STEP BY STEP!
4. Consider the following LP: Minimize z = x; +3x2 - X3 Subject to x + x2 + x2 > 3 -x + 2xz > 2 -x + 3x2 + x3 34 X1 X2,43 20 (a) Using the two-phase method, find the optimal solution to the primal problem above. (b) Write directly the dual of the primal problem, without using the method of transformation. (c) Determine the optimal values of the dual variables from the optimal...
Problem 3 Consider the LP problem Minimize -3r22 0s1+0s2 +0s3 0s Subject to 228 2r2 + $2 1,2,81,82 8384 with optimal tableau as follows: sic r1 T2 s1 s2 s3 s4 Solution C 0 0 20 1 0 0 12 Optimum 0 30 0-103 4 0 021 2 Find the dual optimal solution and the corresponding objective function value using the information provided in the optimal simplex tableau.
Problem 3 Consider the LP problem Minimize -3r22 0s1+0s2 +0s3 0s Subject...
please explain it to me clearly
6 Proof of the dual theorem Proof: We will assume that the primal LP is in canonical form Maximize Zr, such that Arb 20 12 Its dual is Minimize W·ry, such that ATy c (no sign constraints on y). Step 1: Suppose xB is the basic variables in the optimal BFS (say r*) f follows from the above discussion that Row (0) of the optimal tableau will be the Prianal LP. It Basic VariableRow2...
4) (20 pts) Consider the following optimal Simplex Tableau of an LP problem: 11 12 13 0 0 0 14 -4 1 RHS -2-40 0 1 1 1 It is known that 14 and 15 are the slack variables in the first and the second constraints of the original problem. The constraints are stype. Write the original problem.
LP
PROBLEM PLEASE EXPLAIN
thanks
Search 3:30 Str1+2 + 23 + 4 2 + 35 (A) Calculate the optimal solution. Write the basis change in the optimal solution . (B) Find Inverse matrix B-1 of the optimal basis matrix C.) Consider increasing the constant on the right side of one constraint by 1. At that time, the smallest value of the objective function decreases most when the constant of the constraint is increased? D.) Find the range of t such...
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