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Models d'ubicació-assignació×Anàlisi del camí de cost mínim / Distància-cost×Programació Lineal×
CampAnàlisi espacialAnàlisi espacialOptimització
FamíliaProcess / pipelineProcess / pipelineProcess / pipeline
Any d'origen196319941947
Autor originalLeon Cooper; S. L. HakimiEdsger Dijkstra (shortest path); GIS cost-surface adaptationGeorge B. Dantzig
TipusSpatial facility-location optimizationRaster cost-surface routingMathematical programming / continuous optimization
Font seminalCooper, L. (1963). Location-allocation problems. Operations Research, 11(3), 331–343. DOI ↗Dijkstra, E. W. (1959). A note on two problems in connexion with graphs. Numerische Mathematik, 1(1), 269–271. DOI ↗Dantzig, G.B. (1963). Linear Programming and Extensions. Princeton University Press. ISBN: 9780691059136
Àliesfacility location, p-median problem, maximal covering location problem, yer-tahsis modellericost-distance analysis, accumulated cost surface, least-cost corridor, en düşük maliyetli yolLP, linear optimization, Doğrusal Programlama (LP)
Relacionats434
ResumLocation-allocation models decide where to place a set of facilities and simultaneously assign demand points to them so as to optimize an objective such as total travel cost, worst-case distance, or population covered. Rooted in the operations-research work of Cooper (1963) and Hakimi (1964) and central to network GIS, they answer questions like where to site warehouses, hospitals, fire stations, or schools to best serve a spatially distributed population.Least-cost path analysis finds the route between two locations that minimizes accumulated travel cost across a landscape, rather than minimizing straight-line distance. By encoding terrain, slope, land cover, and other frictions into a cost surface and accumulating cost outward from a source, it identifies optimal corridors for roads, pipelines, trails, power lines, and wildlife movement — a core raster-GIS technique built on Dijkstra's shortest-path logic.Linear programming (LP), pioneered by George B. Dantzig in 1947, is a mathematical method for finding the best value of a linear objective function — such as minimum cost or maximum profit — subject to a set of linear inequality and equality constraints. It is the foundational technique in operations research and underlies production planning, resource allocation, logistics, diet problems, and countless other decision-making scenarios across engineering, economics, and the natural sciences.
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ScholarGateCompara mètodes: Location-Allocation · Least-Cost Path · Linear Programming. Recuperat el 2026-06-15 de https://scholargate.app/ca/compare