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Exam2_EM515_English

# Exam2_EM515_English - EM 515 Operations Research I...

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Problem 1 (20 points) - Four cargo ships will be used for shipping goods from one port to other ports (labeled 1, 2, 3, 4). Any ship can be used for making any one of the four trips. However, because of differences in the ships and cargos, the total cost of loading, transporting, and unloading the goods for the different ship-port combinations varies as shown in the following table: PORT 1 2 3 4 SHIP 1 500 400 600 700 2 600 600 700 500 3 700 500 700 600 4 500 400 600 600 The objective is to assign the four ships to four different ports in such a way as to minimize the total cost for all shipments. a.
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Exam2_EM515_English - EM 515 Operations Research I...

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