Introduction - If you have any usage issues, please Google them yourself
Standard GM (1,1) model,
GM gm11.m (1,1) model
Function: GM (1,1) model is used to forecast.
programming: mongvi@126.com
Professor Liu Sifeng.
The Institute of gray system of Nanjing University of Aeronautics & Astronautics
In the 1 edition of the grey system theory and its application (p98), Professor Liu Sifeng and other fourth:
X0=[2.874 3.337 3.390 3.679]
In the 2 edition of the grey system theory and its application (p103), Professor Liu Sifeng and other fourth:
X0=[6 1815.517 15]