Homework Answers
3. Use the two-phase simplex method to solve the following LP. Min z = x1 +...
3. Use the two-phase simplex method to solve the following LP. Min z = x1 + 2x2 Subject to 3x1 + 4x2 < 12 2x1 - x2 2 2 X1, X2 20
(1 point) Use the graphical method to maximize P = 6x1 + 4x2 subject to x1...
(1 point) Use the graphical method to maximize P = 6x1 + 4x2 subject to x1 2x1 x1 + + + x2 3x2 2x2 > 11 30 5 22 x120 x2 > 0 If there are no solutions, enter DNE in each box. Maximum value is P = where x1 = and x2 =
2. Solve the LPP by the dual simplex method Minimize: z = 3x1 + 2x2 Subject...
2. Solve the LPP by the dual simplex method Minimize: z = 3x1 + 2x2 Subject to:: x1 + x2 > 1 4x1 + x2 > 2 -X1 + 2x2 < 6 Xi > 0, i=1,2
Use duality to solve problem 4 4. Minimize z-8x1 + 4x2 + 16x3 subject to 2x1 + 2x2 + 3x3 216 3x1 ...
Use duality to solve problem 4 4. Minimize z-8x1 + 4x2 + 16x3 subject to 2x1 + 2x2 + 3x3 216 3x1 +x2 t 4xs 2 14 3x +x2 + 5x3 2 12 xi,x2, x320
Use duality to solve problem 4 4. Minimize z-8x1 + 4x2 + 16x3 subject to 2x1 + 2x2 + 3x3 216 3x1 +x2 t 4xs 2 14 3x +x2 + 5x3 2 12 xi,x2, x320
Maximize Z = 10x1 + 7x2+ 6x3 Subject to3xi + 2x2 x3 36+C xi x22x33 32...
Maximize Z = 10x1 + 7x2+ 6x3 Subject to3xi + 2x2 x3 36+C xi x22x33 32 D 2x1 + x2 +x3 <22+F X1 X1, X2, X3
Problem A: Consider the following LP problem to answer Questions 4 and 5. Maximise z =...
Problem A: Consider the following LP problem to answer Questions 4 and 5. Maximise z = 5x1 + 4x2 Subject to 6X1 + 4x2 < 24 X1 + 2x2 5 6 -X1 + x2 <1 X2 < 2 X1, X2 > 0 Question 4 Refer to Problem A: Which of the following statements is correct? (1) The optimal value of x1 is in the interval [10, 15). (2) The optimal valu X2 is in the rval [0, 5). (3) The...
max Xi + 3x2 subject to: -X1 – x2 < -3 -21 + x2 = -1...
max Xi + 3x2 subject to: -X1 – x2 < -3 -21 + x2 = -1 X1 + 2x2 = 2 X1, x2 > 0 Problems. Solve the following problems using the simplex method in the dictionary form. Note that problems 2, 3, and 4, require you to use the two-phase simplex method. For each iteration, in addition to other calculations, clearly show the following: the dictionary, entering variable, minimum ratio, and the leaving variable. Note that we employ Dantzig's...
11) Maximize z» x 1 + 2x2 subject to: x1+ x2 s20 3x1+ 2x2 40 2x13x2 60 x1z0 x20 Use th perfor x1 ...
Question 1,2,3,4
11) Maximize z» x 1 + 2x2 subject to: x1+ x2 s20 3x1+ 2x2 40 2x13x2 60 x1z0 x20 Use th perfor x1 A) Find the pivot in the tableau. 1 x2 x3 x4 x5 2 3 1 4 02 0 9 6 0 2 1 5 0 3 B) Find the plvot in the tableau. C) 1 2 3 10 0 ol 4 1 4 4 0 1 0 0 12 1 2 2 oo1 06 1...
Max 4x1 - 22 + 2.T3 Subiect to: 2x1 + x2 7 Min 4 + 2x2 - T3 Subject to: x1 + 2x2-6
Determine the Dual of the following Linear Programming
Problems
Max 4x1 - 22 + 2.T3 Subiect to: 2x1 + x2 7 Min 4 + 2x2 - T3 Subject to: x1 + 2x2-6
Max 4x1 - 22 + 2.T3 Subiect to: 2x1 + x2 7 Min 4 + 2x2 - T3 Subject to: x1 + 2x2-6
3. Consider the following LP. Maximize u = 4x1 + 2x2 subject to X1 + 2x2...
3. Consider the following LP. Maximize u = 4x1 + 2x2 subject to X1 + 2x2 < 12, 2x1 + x2 = 12, X1, X2 > 0. (a) Use simplex tableaux to find all maximal solutions. (b) Draw the feasible region and describe the set of all maximal solutions geometrically.
3. Use the two-phase simplex method to solve the following LP. Min z = x1 + 2x2 Subject to 3x1 + 4x2 < 12 2x1 - x2 2 2 X1, X2 20
(1 point) Use the graphical method to maximize P = 6x1 + 4x2 subject to x1 2x1 x1 + + + x2 3x2 2x2 > 11 30 5 22 x120 x2 > 0 If there are no solutions, enter DNE in each box. Maximum value is P = where x1 = and x2 =
2. Solve the LPP by the dual simplex method Minimize: z = 3x1 + 2x2 Subject to:: x1 + x2 > 1 4x1 + x2 > 2 -X1 + 2x2 < 6 Xi > 0, i=1,2
Use duality to solve problem 4 4. Minimize z-8x1 + 4x2 + 16x3 subject to 2x1 + 2x2 + 3x3 216 3x1 +x2 t 4xs 2 14 3x +x2 + 5x3 2 12 xi,x2, x320
Use duality to solve problem 4 4. Minimize z-8x1 + 4x2 + 16x3 subject to 2x1 + 2x2 + 3x3 216 3x1 +x2 t 4xs 2 14 3x +x2 + 5x3 2 12 xi,x2, x320
Maximize Z = 10x1 + 7x2+ 6x3 Subject to3xi + 2x2 x3 36+C xi x22x33 32 D 2x1 + x2 +x3 <22+F X1 X1, X2, X3
Problem A: Consider the following LP problem to answer Questions 4 and 5. Maximise z = 5x1 + 4x2 Subject to 6X1 + 4x2 < 24 X1 + 2x2 5 6 -X1 + x2 <1 X2 < 2 X1, X2 > 0 Question 4 Refer to Problem A: Which of the following statements is correct? (1) The optimal value of x1 is in the interval [10, 15). (2) The optimal valu X2 is in the rval [0, 5). (3) The...
max Xi + 3x2 subject to: -X1 – x2 < -3 -21 + x2 = -1 X1 + 2x2 = 2 X1, x2 > 0 Problems. Solve the following problems using the simplex method in the dictionary form. Note that problems 2, 3, and 4, require you to use the two-phase simplex method. For each iteration, in addition to other calculations, clearly show the following: the dictionary, entering variable, minimum ratio, and the leaving variable. Note that we employ Dantzig's...
Question 1,2,3,4
11) Maximize z» x 1 + 2x2 subject to: x1+ x2 s20 3x1+ 2x2 40 2x13x2 60 x1z0 x20 Use th perfor x1 A) Find the pivot in the tableau. 1 x2 x3 x4 x5 2 3 1 4 02 0 9 6 0 2 1 5 0 3 B) Find the plvot in the tableau. C) 1 2 3 10 0 ol 4 1 4 4 0 1 0 0 12 1 2 2 oo1 06 1...
Determine the Dual of the following Linear Programming
Problems
Max 4x1 - 22 + 2.T3 Subiect to: 2x1 + x2 7 Min 4 + 2x2 - T3 Subject to: x1 + 2x2-6
Max 4x1 - 22 + 2.T3 Subiect to: 2x1 + x2 7 Min 4 + 2x2 - T3 Subject to: x1 + 2x2-6
3. Consider the following LP. Maximize u = 4x1 + 2x2 subject to X1 + 2x2 < 12, 2x1 + x2 = 12, X1, X2 > 0. (a) Use simplex tableaux to find all maximal solutions. (b) Draw the feasible region and describe the set of all maximal solutions geometrically.
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