组合预测误差平方和取值范围研究

Research on value range of combination forecasting error square sum

应用矩阵理论 ,对组合预测误差平方和的取值范围进行了研究 .给出了简单平均组合预测方法预测误差平方和较精确的取值范围 ,并得到了一些新结果 ;

This paper aims at discussing the value range of combination forecasting error square sum with matrix theory. The purpose of this paper is to present the more accurate value range and some recent results of equal weight combination forecasting error square sum, and prove the necessary and sufficient condition of optimal combination forecasting error square sum up to upper bound.