基于最小二乘法的改进GM(1, 1)模型在上海市社会总抚养比预测中的应用

吴天魁，王波，顾基发

FORECAST OF TOTAL SOCIAL DEPENDENCY RATIO OF SHANGHAI BASED ON THE IMPROVED GM(1, 1) MODEL OF LEAST SQUARE METHOD

WU Tiankui,WANG Bo,GU Jifa

系统科学与数学 . 2015, (1): 75 -84 . DOI: 10.12341/jssms12504