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p
- 基于马尔萨斯及Logistic人口模型,本文做了相应改进,根据已有数据确立了我们的人口模型。人口净增长率与人口密度比是简单常数值或者是简单的指数函数,所建立的模型来预测人口总数都是不完备的,所以我们假定人口净增长率是随总人口变化的函数,而这个函数是我们通过数据拟合可以近似得到的,由人口净增长率函数的确立,我们可以以微分方程的形式建立人口模型-Based on the Malthusian and Logistic population
POPULATION
- 人口信息管理系统 人口信息管理 查询 修改 删除-population infermation management system
PSO
- Particle swarm optimization (PSO) is a population based stochastic optimization technique developed by Dr. Eberhart and Dr. Kennedy in 1995, inspired by social behavior of bird flocking or fish schooling. Each particle k
population
- 一个数据库的人口管理系统,ms sql sever +visual basic-The population of a database management system, ms sql sever+ visual basic
Population
- VB课上做的简单计算人口的小程序,需要输入相关数据,英文版本-VB class to do a simple calculation of the population of small procedures, need to enter the relevant data, the English version
sdfsasdg
- This package is a dual population of ant colony algorithm to seek, the shortest path problem, that is typical TSP problem, the packa
Population-model(chaos)
- 虫口模型是描述混沌现象的一个简单直观的例子,对了解混沌现象有帮助。-Population model is a simple example discribing the phenomenon of chaos, which is helpful to learn the konwledge of chaos.
population
- c++类实现人口统计,计算出生率,死亡率,增长率等等。-this is a population calculate program,have function bornrate(),deadrate().
Chinas-population-prediction
- 关于中国人口增长预测的数学模型 完整报告及C++源码-mathematical model of China s population prediction (C++ source code and reprot)
population
- 这是用matlab做曲线拟合,预测人口发展的一个m文件。-This do curve fitting using matlab predict population development m file.
Population-Graph
- Population Graph in matlab R2010a
population-growth-model-code
- 07数学建模国赛人口增长的模型代码,关于其中的矩阵使用代码。-07 Mathematical Modeling Nations population growth model code
Multi-population-genetic-algorithm
- 多种群遗传算法的函数优化算法,利用多个种群同时优化,提高遗传算法效率。-Multi-population genetic algorithm function optimization algorithm, the use of multiple populations simultaneously optimize and improve the efficiency of genetic algorithm.
Population
- 人口计算然后以这5个数据为已知数据,来预测未来5年的人口老龄化指数,进而分析我国今后短期内的人口结构变化情况。我们采用二次拟合的方法,用抛物线对已知数据进行拟合,并对未来5年的人口老龄化指数进行预测 ,得到结果如下表:-Population predictionIt is reported that the world’s population was 6 billion in the year 2,000, and it is gro
Population-projections-matlab
- 可以用来进行人口预测的matlab代码,直接模仿就可以用了-Can be used for population projections matlab code, you can use a direct imitation
population
- 人口增长(动物繁殖)模型,确定种群的固有增长率和稳定分布,建立稳定收获模型。 -it is about a model of population increasing
Population
- matlab非线性回归模型的拟合曲线(Logisic曲线人口预测-matlab curve fitting nonlinear regression model (Logisic curve population projections
initial-population
- C++ BASED POPULATION GENERATION PROGRAM
population
- It s a population analysis in hand written format
Population-forecast
- 考虑出生率、死亡率、迁移率及居民年龄分布的人口预测程序-Population forecast program considering several factors including fertility, mortality, migration rates and age structure