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EMGT 501 HW #1 3.1-4 3.1-11 3.4-16 Due Day: Sep 14

EMGT 501 HW #1 3.1-4 3.1-11 3.4-16 Due Day: Sep 14 . 3.1-4 Use the graphical method to solve the problem:. Max s.t. . 3-1-4. (1) (2) (3) (4). (3). and. (2). (1). 10. 8. (4). 6. (13,5) Optimal Solution with Z=31. 4. 2. 2 4 6 8 10 12.

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EMGT 501 HW #1 3.1-4 3.1-11 3.4-16 Due Day: Sep 14

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  1. EMGT 501 HW #1 3.1-4 3.1-11 3.4-16 Due Day: Sep 14

  2. 3.1-4 Use the graphical method to solve the problem:

  3. Max s.t. 3-1-4 (1) (2) (3) (4) (3) and (2) (1) 10 8 (4) 6 (13,5) Optimal Solution with Z=31 4 2 2 4 6 8 10 12

  4. 3.1-11 The Omega Manufacturing Manufacturing Company has discontinued the production of a certain unprofitable product line. This act created considerable excess production capacity. Management is considering devoting this excess capacity to one ore more of three products; call them products 1, 2, and 3. The available capacity on the machines that might limit output is summarized in the following table: Available Time (Machine Hours per Week) 500 350 150 Machine Type Milling machine Lathe Grinder

  5. The number of machine hours required for each unit of the respective products is Productivity coefficient (in machine hours per unit) Machine Type Milling machine Lathe Grinder Product 1 9 5 3 Product 2 3 4 0 Product 3 5 0 2 The sales department indicates that the sales potential for products 1 and 2 exceeds the maximum production rate and that the sales potential for product 3 is 20 units per week. The unit profit would be $50, $20, and $25, respectively, on products 1, 2, and 3. The objective is to determine how much of each product Omega should produce to maximize profit. (a) Formulate a linear programming model for this problem. (b) Use a computer to solve this model by the simplex method.

  6. 3-1-11 (a) Let

  7. (b)

  8. 3.4-16 A cargo plane has three compartments for storing cargo: front, center, and back. These compartments have capacity limits on both weight and space, as summarized below: Weight Capacity (Tons) Space Capacity (Cubic Feet) Compartment Front Center Back 12 18 10 7,000 9,000 5,000 Further more, the weight of the cargo in the respective compartment must be the same proportion of that compartment’s weight capacity to maintain the balance of the airplane.

  9. The following four cargoes have been offered for shipment on an upcoming flight as space is available: Weight (Tons) Volume (Cubic Feet/Ton) Profit ($/Ton) Cargo 20 16 25 13 1 2 3 4 500 700 600 400 320 400 360 290 Any portion of these cargoes can be accepted. The objective is to determine how much (if any) of each cargo should be accepted and how to distribute each among the compartments to maximize the total profit for the flight. (a) Formulate a linear programming model for this problem. (b) Solve this model by the simplex method to find one of its multiple optimal solutions.

  10. 3-4-16

  11. (b)

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