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The multidimensional assignment problem (MAP) is a natural extension of the well known assignment problem. A problem with s dimensions is called a SAP. The most studied NP-hard case of the MAP is the 3AP. Memetic algorithms have been proven to be the most effective technique to solve MAP. The use of powerful local search heuristics in combination with a genetic algorithm, even if it has a simple structure,...
Most of the hybrid algorithms are produced by combination of a global optimization algorithm with a local search algorithm. In this paper, the focus is on a simple and efficient hybrid algorithm by combining the differential evolution(DE) and the Nelder-Mead simplex(NM) variant for solving global optimization problem. The DE explores the whole search space to find some promising areas and then the...
The university course timetabling problem (UCTP) is a classical, old and famous problem in the field of optimization problems. The purpose of UCTP is to schedule a number of events (courses) in proper timeslots and suitable rooms. In this problem, there are some hard and soft constraints. A feasible timetable must satisfy all hard constraints. In addition, each soft constraint violation causes a penalty...
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