Abstract
We consider a relaxation of the quadratic assignment problem without the constraint on the number of objects assigned to a specific position. This problem is N P-hard in the general case. To solve the problem, we propose a polynomial algorithm with guaranteed posterior accuracy estimate; we distinguish a class of problems with special assignment cost functions where the algorithm is 2-approximate. We show that if the graph in question contains one simple loop, and the set of assignment positions is a metric space, the proposed algorithm is 2-approximate and guaranteed to be asymptotically exact. We conduct a computational experiment in order to analyze the algorithm’s errors and evaluate its accuracy.
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Original Russian Text © A.V. Panyukov, R.E. Shangin, 2016, published in Avtomatika i Telemekhanika, 2016, No. 7, pp. 103–112.
This paper was recommended for publication by P.Yu. Chebotarev, a member of the Editorial Board
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Panyukov, A.V., Shangin, R.E. Algorithm for the discrete Weber’s problem with an accuracy estimate. Autom Remote Control 77, 1208–1215 (2016). https://doi.org/10.1134/S0005117916070079
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DOI: https://doi.org/10.1134/S0005117916070079