Improvement and Application of Grey Modeling Method in Decreasing Sequence
The comparison principle of smooth degree about monotone decreasing sequence is put forward. Improved method of smooth degree about decreasing sequence is given, and proved in theory. The modeling mechanism of GM (1, 1) grey model is analyzed. The forecasting precision of grey model is improved by combining the methods of opposite direction accumulating algorithm and improved smooth degree of decreasing sequence. The validity of the method is proved by application example.
GOM(1 1) model smooth degree monotone decreasing sequence opposite direction accumulating
Qingfei He Guiming Chen Xiaohu Chen Chunjiang Yao Qing Yang
Department of Equipment Management Engineering, Xi’an Research Institute of High-techXi’an, China Department of Equipment Management Engineering, Xi’an Research Institute of High-tech Xi’an, China
国际会议
哈尔滨
英文
304-307
2011-01-18(万方平台首次上网日期,不代表论文的发表时间)