基于变权优化背景值改进的GM(1,1)灰色预测模型及其应用 
张丽洁, 沙秀艳, 尹传存, 段钧陶, 张欣怡, 李紫桐, 姜福蕾
Improved GM (1,1) Grey Prediction Model Based on Background Value of Variable Weight Optimization and Its Application 
ZHANG Li-jie, SHA Xiu-yan, YIN Chuan-cun, DUAN Jun-tao, ZHANG Xin-yi, LI Zi-tong, JIANG Fu-lei
计算机与现代化 . 2021, (01): 1 -6 .