APPLICATION OF LOCATION MODELS IN THE DISTRIBUTION OF COMMON FACILITIES
基于对经典区位理论的新解释和假设限制的修正，发展了用于公共设施分布的区位模型，并讨论了中位数、中心、覆盖三类问题及建模步骤，适合研究福利政策实施的学者参考。
Classical location theories are the theoretical footstones of modern location theories.The model of distribution.Location used in the distribution of common facilities develops basing on the new explanation to the classical location theories and the modification to the hypothesis limitations.Fitting to the development trend of the modern welfare society,the model of distribution.Location as an academics base is playing an important role in bringing the welfare policies into effect.From the quantity view,the location models can be applied to solve three kinds of problems: median problems,central problems and covering problems.To establish the applied models,at first,the evaluation standards for location selection must be decided;second,demarcate the service area of the facilities and confirm the number and the ranks of the facilities.The methods,such as sensitivity analysis,can be adopted to analyze the impacts on the target functions,which are induced by changing the limiting conditions of the facilities distribution in micro-location.In future,the model of distribution.Location should be strengthened at these facets: the location programming of the multi-target facilities,the effective application of the spatial analysis function of GIS and the better shortcut mathematical methods to find the solutions.