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Unformatted text preview:  spacetime convergence ( shrinkage) changes pattern of interaction globalization III. Gravity Models A. Intro to Computational Modeling In Geography represent part of system and their relationships Mathematical equations/ programs Simulation simplified representation critical sometimes simplifications almost absurd Reality is very complex simplification = tool used to break down that complexity ( understand complexity = don’t consider it complex) Principle of Parsimony tenant of scientific philosophy means simplest explanation that works = best output of simulation = observations of reality ( differential & simulation) B. Simple Gravity Model interaction between places 2 simple factors distance places ( attractiveness) * some places attract people regardless of distance Formulas: C. Retail Gravitational Models Reillys Breaking Point Model boundary between two functions Formula:...
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 Fall '07
 Montello
 Science, Geography, Occam's razor

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