Grey Systems: Theory and Application: Volume 8 Issue 2

Grey game research about customer preference, international competition and the choice of industrial type

Yuhang Zhang, Ying Wang, Qixin Liu

The purpose of this paper is to analyze the market share of two competing enterprises from the perspective of consumer preferences on both of their products. For different…

The NLS-based nonlinear grey Bernoulli model with an application to employee demand prediction of high-tech enterprises in China

Lingling Pei, Qin Li, Zhengxin Wang

The purpose of this paper is to propose a new method based on nonlinear least squares (NLS) for solving the parameters of nonlinear grey Bernoulli model (NGBM(1,1)) and to verify…

Maximum entropy methods for weighted grey incidence analysis and applications

Jing Quan, Bo Zeng, LuYun Wang

Equally weighted factors and initial data from behavioural sequences are used for calculating the degree of grey incidence in Deng’s grey incidence analysis. However, certain grey…

Grey relational analysis for the AQI of Beijing, Tianjin, and Shijiazhuang and related countermeasures

Bin Fu, Xiao Hui Gao, Lifeng Wu

The purpose of this paper is to explore the relationship among the air quality index (AQI) of Beijing-Tianjin-Shijiazhuang region and find countermeasures to control the pollution…

A new approach in animal diet using grey system theory

Davood Darvishi Salookolaei, Sifeng Liu, Sayed Hadi Nasseri

The purpose of this paper is to discuss the animal diet problem in grey environment which is adapted to the real situations. In particular, a new approach to solve these problems…

A new coupled ARMA-FGM model and its application in the internet third-party payment forecasting in China

Shuhua Mao, Xianpeng Wang, Min Zhu

With the rapid development of e-commerce in China, the third-party payment system greatly improved the efficiency and volume of the entire trading market. The purpose of this…

New axiomatic approach to the concept of grey information

Rafal Mierzwiak, Naiming Xie, Marcin Nowak

Considering current development of Grey Systems Theory (GST), we can come up with the following thesis: practical applications are a dominant subject of research. Thus, what seems…

Comparison study on the nonlinear parameter optimization of nonlinear grey Bernoulli model (NGBM(1,1)) between intelligent optimizers

Lingcun Kong, Xin Ma

The purpose of this paper is to find out which algorithm, among Genetic Algorithm (GA), Particle Swarm Optimizer (PSO), the novel Grey Wolf Optimizer (GWO) and the novel Ant Lion…