Population prediction method for optimizing Leslie model based on genetic thought
A prediction method and genetic technology, which is applied in the field of population prediction based on the optimization of the Leslie model based on the idea of genetics, can solve the problems such as the inability to simulate population iteration and the inability to make reasonable predictions, so as to increase the reliability, ensure the prediction accuracy, The effect of reducing demand
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[0034] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0035] Firstly, some unnecessary conditions are excluded through model assumptions to simplify the model, and then a dynamic programming model based on the idea of genetics is constructed for intersex Leslie, and finally the data is brought in for prediction.
[0036] According to the present invention, the age-group fertility rate of women of childbearing age is only related to age and total fertility rate; the influence of large-scale international immigration, population migration and major natural disasters on the population is not considered. At the same time, the simplification of the model and the reliability of the prediction results are guaranteed, including the following steps:
[0037] Step 1. Establish an initial model: the time is in years, the time is in 5 years, and the age is calculated in terms of full years. The age group is divide...
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