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Ejercicio 3 estudiar modelo general y explique conjunto de restricciones y la funcion objetivo. Posteriormente resuelva el ejemplo numerico q alli se desarrolla,utilize WinQsb

RESEARCH PAPEROptimization of Hub-and-Spoke Two-stage Logistics Network in Regional Port Cluster

Chuan-xu WANG, a,
a School of Economy and Management, Shanghai Maritime University, Shanghai 200135, ChinaReceived 21 February 2006.  Available online 24 December 2009.
Abstract
To optimize two-stage logistics transportation network in regional port cluster, combining hub-and-spoke transportation system amongregional port with consolidation and dispersing transportation systems between ports and their own hinterlands, a nonlinear optimization model for two-stage logistics system in regional port clusteris introduced to simultaneously determine the following factors: the hinterlands serviced by individual ports and transportation capacity operated between each port and its hinterland, cargotransportation volume and corresponding transportation capacity allocated via a hub port from an original port to a destination port, cargo transportation volume and corresponding transportation capacityallocated directly from an original port to a destination port. Finally, a numerical example is given to demonstrate the application of the proposed model. It can be shown that the solution to the proposednon-linear model can be obtained by transforming it into linear programming models.

ARTICULO DE INVESTIGACION
Optimización de concentrador y radios de redes de dos etapas en Logística PortuariaRegional de Cluster Server

Wang Chuan-xu, a, una Escuela de Economía y Administración, Universidad Marítima de Shanghai, Shanghai 200135, China Recibido el 21 de febrero de 2006. Disponible en línea24 diciembre de 2009.

Resumen

Para optimizar la red de transporte de dos etapas en el grupo de logística portuaria regional, la combinación de sistema de transporte de concentrador y radios,...
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