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《Journal of Anhui Agricultural Sciences》 2011-14
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Research on Selection Operator in RNA Secondary Structure Prediction Based on Genetic Algorithm

CAO Su-bing et al(Sichuan Engineering Technical College,Deyang,Sichuan 618000)  
When adopting GA approaches for RNA secondary structure prediction,two important issues——selection pressure and population diversity must be considered.Emphasis on selective pressure accelerates the optimization convergence but potentially causes premature convergence because of hastened loss of diversity.On the contrary,maintaining diversity can yield a better solution quality,but often slows down the convergence speed due to the lack of selection pressure.Therefore,a good GA scheme must simultaneously address these two issues.In this thesis analyzes and compares the capability of the selection operator and find the best operator which is appropriate for this field.
【CateGory Index】: Q522
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