Grey Systems: Theory and Application
Issue(s) available: 47 – From Volume: 1 Issue: 1, to Volume: 14 Issue: 2
Volume 10
Volume 9
Volume 2
Predicting of aging population density by a hybrid grey exponential smoothing model (HGESM): a case study from Sri Lanka
R.M. Kapila Tharanga Rathnayaka, D.M.K.N. SeneviratnaThe global population has been experiencing an unprecedentedly rapid demographic transition as the populations have been growing older in many countries during the current…
Resilience evaluation model of photovoltaic industry chain based on grey-entropy-catastrophe progression method: a case study of Jiangsu province
Lan Xu, Yaofei WangThe purpose of this study is to establish a grey-entropy-catastrophe progression method (CPM) model to assess the photovoltaic (PV) industry chain resilience of Jiangsu Province…
A novel fractional multivariate grey prediction model for forecasting hydroelectricity consumption
Ye Li, Hongtao Ren, Junjuan LiuThis study aims to enhance the prediction accuracy of hydroelectricity consumption in China, with a focus on addressing the challenges posed by complex and nonlinear…
Prioritization of emergency assembly points in a campus using grey p-median linear programming model
Damla Yalçıner Çal, Erdal AydemirThe purpose of this paper is to propose a scenario-based grey methodology using clustering and optimizing with imprecise and uncertain body size data in an emergency assembly…
The grey decision model and its application based on generalized greyness of interval grey number
Li Li, Xican LiIn order to solve the decision-making problem that the attributive weight and attributive value are both interval grey numbers, this paper tries to construct a multi-attribute…
Forecasting hospital outpatient volume using an optimized medical two-stage hybrid grey model
Youyang Ren, Yuhong Wang, Lin Xia, Wei Liu, Ran TaoForecasting outpatient volume during a significant security crisis can provide reasonable decision-making references for hospital managers to prevent sudden outbreaks and dispatch…
Improving electricity demand forecasting accuracy: a novel grey-genetic programming approach using GMC(1,N) and residual sign estimation
Flavian Emmanuel Sapnken, Benjamin Salomon Diboma, Ali Khalili Tazehkandgheshlagh, Mohammed Hamaidi, Prosper Gopdjim Noumo, Yong Wang, Jean Gaston TambaThis paper addresses the challenges associated with forecasting electricity consumption using limited data without making prior assumptions on normality. The study aims to enhance…
Damping accumulative NDAGM(1,N, α) power model and its applications
Ye Li, Chengyun Wang, Junjuan LiuIn this essay, a new NDAGM(1,N,α) power model is recommended to resolve the hassle of the distinction between old and new information, and the complicated nonlinear traits between…
Equivalence class of complete correlation determination of several gray incidence degrees
Yong Wei, Shasha XiThis paper sets out to solve a common and crucial fundamental theoretical problem of gray incidence cluster analysis: to
A novel grey forecasting model with generalised fractal derivative and its optimisation
Lina Jia, MingYong PangThe purpose of this paper is to propose a new grey prediction model, GOFHGM (1,1), which combines generalised fractal derivative and particle swarm optimisation algorithms. The…
Hyperspectral estimation model of soil organic matter content based on principal gradient grey information
Lu Xu, Shuang Cao, Xican LiIn order to explore a new estimation approach of hyperspectral estimation, this paper aims to establish a hyperspectral estimation model of soil organic matter content with the…
A novel time-varying grey Fourier model for variable amplitude seasonal fluctuation sequences
Xiaomei Liu, Bin Ma, Meina Gao, Lin ChenA time-varying grey Fourier model (TVGFM(1,1,N)) is proposed for the simulation of variable amplitude seasonal fluctuation time series, as the performance of traditional grey…
A novel fractional order variable structure multivariable grey prediction model with optimal differential background-value coefficients and its performance comparison analysis
Chao Xia, Bo Zeng, Yingjie YangTraditional multivariable grey prediction models define the background-value coefficients of the dependent and independent variables uniformly, ignoring the differences between…
ISSN:
2043-9377Online date, start – end:
2011Copyright Holder:
Emerald Publishing LimitedOpen Access:
hybridEditor:
- Prof Sifeng Liu