湖北省用水量建模分析
1.前言 .................................................................................................3
1.1 背景.........................................................................................4
1.2 目的.........................................................................................4
2.建模方法与过程 .............................................................................4
2.1 数据来源.................................................................................4
2.2 无偏 GM(1,1)模型的建立 .....................................................6
2.2.1 无偏 GM(1,1)算法原理.................................................6
2.2.2 无偏 GM（1,1）拟合预测结果 ...................................7
2.2.3 无偏 GM(1,1)与传统 GM(1,1)的比较..........................8
2.3 滑动无偏 GM(1,1)模型 .........................................................9
2.4 改进灰色马尔科夫模型建立...............................................10
3.实验结果与分析 ...........................................................................13
3.1 灰色预测模型精度检验.......................................................13
3.2 改进灰色马尔科夫模型的精度检验...................................15
3.3 结果讨论与分析...................................................................17
4.参考文献 .......................................................................................17
摘要：本次建模分析首先对灰色系统理论 GM(1,1)模型的算法进
