Authors: Mladenović, Nenad 
Dražić, Milan
Kovačevic-Vujčić, Vera
Čangalović, Mirjana
Title: General variable neighborhood search for the continuous optimization
Journal: European Journal of Operational Research
Volume: 191
Issue: 3
First page: 753
Last page: 770
Issue Date: 16-Dec-2008
Rank: M21
ISSN: 0377-2217
DOI: 10.1016/j.ejor.2006.12.064
Abstract: 
We suggest a new heuristic for solving unconstrained continuous optimization problems. It is based on a generalized version of the variable neighborhood search metaheuristic. Different neighborhoods and distributions, induced from different metrics are ranked and used to get random points in the shaking step. We also propose VNS for solving constrained optimization problems. The constraints are handled using exterior point penalty functions within an algorithm that combines sequential and exact penalty transformations. The extensive computer analysis that includes the comparison with genetic algorithm and some other approaches on standard test functions are given. With our approach we obtain encouraging results.
Keywords: Global optimization | Metaheuristics | Nonlinear programming | Variable neighborhood search
Publisher: Elsevier

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