非等间距组合灰色预测模型  

Unequal Interval Combination Gray Forecast Model

作　　者：王丰效[1] 

机构地区：[1]陕西理工学院数学系,陕西汉中723000

出　　处：《数学的实践与认识》2007年第21期39-43,共5页Mathematics in Practice and Theory

基　　金：陕西理工学院科研基金(XY0108;SLG0422)

摘　　要：对于非等间距原始数据序列,根据灰色预测模型建模特点,提出了一类非等间距灰色组合预测方法,弥补了传统非等间距原始数据预测模型的不足,提高了灰色预测的精度.实例表明结果理想可靠,有较好的实际意义.According to the building mechanism of gray model, a combination forecast method of unequal interval gray forecast model is presented to solve practical problems for the number sequences. It improves the unequal interval gray forecast model, and the prediction precision is improved. By the realistic examples, the result is proved to be precise and reliable.

关 键 词：非等间距 GM(1.1)模型 灰色预测 组合预测 

分 类 号：O213[理学—概率论与数理统计]