Q: How difficult is it to add nodes and arcs to an existing
How difficult is it to add nodes and arcs to an existing shortest path model? Answer by adding a new node, node 11, to Maude’s network. Assume that node 11 is at the top of the network, geographically...
See AnswerQ: In the VanBuren machine replacement problem, the company’s current policy is
In the VanBuren machine replacement problem, the company’s current policy is to keep a machine at least 4 quarters but no more than 12 quarters. Suppose this policy is instead to keep a machine at lea...
See AnswerQ: In the VanBuren machine replacement problem, the company’s current policy is
In the VanBuren machine replacement problem, the company’s current policy is to keep a machine at least four quarters but no more than 12 quarters. Suppose instead that the company imposes no upper li...
See AnswerQ: In the VanBuren machine replacement problem, suppose the company starts with
In the VanBuren machine replacement problem, suppose the company starts with a machine that is eight quarters old at the beginning of the first quarter. Modify the model appropriately, keeping in mind...
See AnswerQ: We illustrated how a machine replacement problem can be modeled as a
We illustrated how a machine replacement problem can be modeled as a shortest path problem. This is probably not the approach most people would think of when they first see a machine replacement probl...
See AnswerQ: In the flight-scheduling model, use SolverTable to examine the
In the flight-scheduling model, use SolverTable to examine the effect of decreasing all net revenues by the same percentage, assuming that the company owns six planes. Let this percentage vary from 0%...
See AnswerQ: In the Grand Prix example with varying tax rates, the optimal
In the Grand Prix example with varying tax rates, the optimal solution more than satisfies customer demands. Modify the model so that regions have not only lower limits on the amounts they require, bu...
See AnswerQ: In the flight-scheduling model, use SolverTable to examine the
In the flight-scheduling model, use SolverTable to examine the effect of increasing both the fixed cost per plane and the overnight cost by the same percentage, assuming that the company owns eight pl...
See AnswerQ: One rather unrealistic assumption in the flight scheduling model is that a
One rather unrealistic assumption in the flight scheduling model is that a given plane can fly two consecutive flights with no downtime. For example, it could fly flight 5903 that gets into Washington...
See AnswerQ: Dataware is trying to determine whether to give a $10 rebate
Dataware is trying to determine whether to give a $10 rebate, cut the price $6, or have no price change on a software product. Currently, 40,000 units of the product are sold each week for $45 apiece....
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