Matlab and R codes for the paper 王小雷, 谢乃明. 考虑周期性特征的灰色傅里叶模型及其应用, 运筹与管理, 2023, 1-11. Written by 王小雷 College of Economics and Management, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China Please contact wangxiaolei0721@nuaa.edu.cn if you have any questions Copyright 2023, All Rights Reserved