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The Structural Optimization from Center of Economic Region to Multi - center of Mass:The Physical Logic of Economic Geographic Center

YANG Hua - Lei,GUO Qiang (Lanzhou University,Lanzhou 730000,China)  
Econophysics that focused on social or economic problems by means of the concepts and rules of physics was formed ten years ago.In this article,economic concepts such as capital,social development dividends and economic development,were replaced by concepts of physics,like mass,acceleration of gravity and force.It formed an abstract functional economic space,established an orientable and measurable system,and made use of mathematical interpretation and vector integration to look for economic center similar to the mass center of the physical entity.When centers of each component in the economic region were listed,the location of overall economic center was caculated by weighting the square of cosine of each component direction of the center.It solved the problem of how to optimize the centroid structure under the principle of fairness by setting two points to the centroid which were weighted by the weight of average economic level of sum of the least square.
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