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An improved hybrid genetic algorithm for 0_1 knapsack problem

Shaoyong Guo

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Abstract

knapsack problem is a combinatorial optimization of one of the NP.This paper proposes an improved hybrid genetic algorithm,which is composed by genetic algorithm and greedy algorithm,for solving the 0-1 knapsack problem.The hybrid genetic algorithm repeats the process,which is done by selection,crossover,mution and greedy algorithm,until the optimal solution is found out in a reasonable amount of time,using the elitism mechanism to accelerate the convergence process.The experimentl results show that the improved GA effectively overcome the premature phenomenon and is also suitable for other combinatorial optimization problems.

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What this paper is about

knapsack problem is a combinatorial optimization of one of the NP.This paper proposes an improved hybrid genetic algorithm,which is composed by genetic algorithm and greedy algorithm,for solving the 0-1 knapsack problem.The hybrid genetic algorithm repeats the process,which is done by selection,crossover,mution and greedy algorithm,until the optimal solution is found out in a reasonable amount of time,using the elitism mechanism to accelerate the convergence process.The experimentl results show that the improved GA effectively overcome the premature phenomenon and is also suitable for other combinatorial optimization problems.

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Available abstract

knapsack problem is a combinatorial optimization of one of the NP.This paper proposes an improved hybrid genetic algorithm,which is composed by genetic algorithm and greedy algorithm,for solving the 0-1 knapsack problem.The hybrid genetic algorithm repeats the process,which is done by selection,crossover,mution and greedy algorithm,until the optimal solution is found out in a reasonable amount of time,using the elitism mechanism to accelerate the convergence process.The experimentl results show that the improved GA effectively overcome the premature phenomenon and is also suitable for other combinatorial optimization problems.

Key concepts: Knapsack problem, Continuous knapsack problem, Crossover, Greedy algorithm, Mathematical optimization, Genetic algorithm, Combinatorial optimization, Convergence (economics)

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