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A performance comparison of ant stigmergy and differential ...

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109DEMASA w/o LO109DEMASA w/o LO88Average Minimum76543Average Minimum76543221100 10000 20000 30000 40000 5000000 10000 20000 30000 40000 50000Number <strong>of</strong> EvaluationsNumber <strong>of</strong> Evaluations(a)(b)500DEMASA w/o LO500DEMASA w/o LO400400Average Minimum300200Average Minimum30020010010000 100000 200000 300000 400000 50000000 100000 200000 300000 400000 500000Number <strong>of</strong> EvaluationsNumber <strong>of</strong> Evaluations(c)(d)3000DEMASA w/o LO500DEMASA w/o LO2500400Average Minimum200015001000Average Minimum30020050010000 100000 200000 300000 400000 50000000 20000 40000 60000 80000 100000Number <strong>of</strong> EvaluationsNumber <strong>of</strong> Evaluations(e)(f)Fig.4. Average minimum <strong>of</strong> (a) Sphere, (b) Griewangk, (c) Rastrigin, (d) Rosenbrock,(e) Krink, <strong>and</strong> (f) negative Krink functions with D = 50.

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