Using integer programming techniques for the solution of an experimental design problem |
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Authors: | Carl M Harris Karla L Hoffman Leslie-Ann Yarrow |
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Institution: | (1) Department of Operations Research and Engineering, George Mason University, 22030 Fairfax, VA, USA;(2) Chesapeake Decision Sciences, Inc., 07974 New Providence, NJ, USA |
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Abstract: | Latin hypercube sampling is often used to estimate the distribution function of a complicated function of many random variables. In so doing, it is typically necessary to choose a permutation matrix which minimizes the correlation among the cells in the hypercube layout. This problem can be formulated as a generalized, multi-dimensional assignment problem. For the two-dimensional case, we provide a polynomial algorithm. For higher dimensions, we offer effective heuristic and bounding procedures.Supported in part by a grant from the National Institute of Standards and Technology (60NANB9D-0974).Supported in part by grants from the Office of Naval Research (N00014-90-J-1324) and the Air Force Office of Scientific Research (F49 620-90-C-0022).Research partially performed while visiting the Department of Mathematics, Brunel University, Uxbridge, England. |
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Keywords: | Assignment problem computer models distribution sampling estimation integer programming large-scale modelling latin hypercube optimization sampling sensitivity analysis |
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