| 遗传算法优化神经网络的汛期降水模型 |
| |
| 引用本文： | 农吉夫,黄文宁.遗传算法优化神经网络的汛期降水模型[J].数学的实践与认识,2010,40(20). |
| |
| 作者姓名： | 农吉夫 黄文宁 |
| |
| 作者单位： | 广西民族大学数学与计算机科学学院;河池学院数学系; |
| |
| 摘 要： | 针对目前神经网络在实际应用中,网络结构难以确定以及网络极易陷入局部解问题,用遗传算法优化神经网络的连接权和网络结构,并在遗传进化过程中采取保留最佳个体的方法,建立基于遗传算法的神经网络模型,实例研究结果表明该方法可以取得较高的预测精度.
|
| 关 键 词： | 短期气候预测 神经网络 遗传算法 |
Flood Season Precipitation Forecasting Model Based on Neural Network By Genetic Algorithms |
| |
| NONG Ji-fu,HUANG Wen-ning.Flood Season Precipitation Forecasting Model Based on Neural Network By Genetic Algorithms[J].Mathematics in Practice and Theory,2010,40(20). |
| |
| Authors: | NONG Ji-fu HUANG Wen-ning |
| |
| Institution: | NONG Ji-fu~1,HUANG Wen-ning~2 (College of Mathematics and Computer Science,Guangxi University for Nationalities,Nanning 530006,China) (Department of Mathematics,Hechi University,Yizhou 546300,China) |
| |
| Abstract: | For overcoming difficulties in application of the method of BP neural network,this paper proposed to optimize the neural network structure and connection weights by means of genetic algorithm whilst to reserve the best individual in evolution process,so that to build up a genetic algorithms Neural Networks model.The result of study indicates that this method can gain a higher forecasting precision. |
| |
| Keywords: | short-term climate prediction neural network genetic algorithms |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
