摘要
通过一些实际应用比较了GM(1,1)与GM(1,2)的拟合精度并提出了改善拟合精度的相互弥补方法。
This paper compares the fitting precision of the Model GM(1,1) with the Model GM(1,2) by some practical application. And puts forward the methods to improve fitting precision by making up each other.
出处
《内蒙古师范大学学报(自然科学汉文版)》
CAS
1993年第1期13-17,共5页
Journal of Inner Mongolia Normal University(Natural Science Edition)
关键词
GM预测模型
灰色系统
拟合精度
GM Forecastting Model, Grey System, Fitting Precision, Fitting Variance of Mean