Based on the statistics of Chinese population for 1970-2013 years, this paper demonstrates the feasibility of BP network prediction model, and gives the method and steps of using MATLAB neural network toolbox to design BP network. The network is trained using sample data, and predictions of future population size are based on the trained network. Simulation results show that the method is feasible and predicts the population size of 2014 - 2017..

BP-GA
BP-GA\BP.m
BP-GA\Code.m
BP-GA\Cross.m
BP-GA\Decode.m
BP-GA\Genetic.m
BP-GA\Mutation.m
BP-GA\Select.m
BP-GA\data.mat
BP-GA\data2.mat
BP-GA\datapre.m
BP-GA\fun.m
BP-GA\test.m

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