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Queueing theory
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Queueing theory is the mathematical study of waiting lines, or queues. A queueing model is constructed so that queue lengths and waiting time can be predicted. Queueing theory is generally considered a branch of operations research because the results are often used when making business decisions about the resources needed to provide a service.
Queue networks are systems in which single queues are connected by a routing network. In this image, servers are represented by circles, queues by a s
Queue networks are systems in which single queues are connected by a routing network. In this image, servers are represented by circles, queues by a series of rectangles and the routing network by arrows. In the study of queue networks one typically tries to obtain the equilibrium distribution of the network, although in many applications the study of the transient state is fundamental.
Operations research
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Operations research, often shortened to the initialism OR, is a discipline that deals with the development and application of analytical methods to improve decision-making. The term management science is occasionally used as a synonym.
A Liberator in standard RAF green/dark earth/black night bomber finish as originally used by Coastal Command
A Liberator in standard RAF green/dark earth/black night bomber finish as originally used by Coastal Command