Constrained location of competitive facilities in the plane

Constrained location of competitive facilities in the plane

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Article ID: iaor20052049
Country: United Kingdom
Volume: 32
Issue: 2
Start Page Number: 359
End Page Number: 378
Publication Date: Feb 2005
Journal: Computers and Operations Research
Authors: ,
Keywords: programming: nonlinear
Abstract:

This paper examines a competitive facility location problem occurring in the plane. A new gravity-based utility model is developed, in which the capacity of a facility serves as its measure of attractiveness. A new problem formulation is given, having elastic gravity-based demand, along with capacity, forbidden region, and budget constraints. Two solution algorithms are presented, one based on the big square small square method, and the second based on a penalty function formulation using fixed-point iteration. Computational testing is presented, comparing these two algorithms along with a general-purpose nonlinear solver.

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