基于ln(x+c)变换的GM(1,1)模型及其变形预测

邱利军，张波，张京奎

GM(1,1) model based on function ln(x+c)transformation and its application in deformation prediction

QIU Lijun，ZHANG Bo，ZHANG Jingkui

人民长江 . 2020, (1): 136 -140 . DOI: 10.16232/j.cnki.1001-4179.2020.01.021