Grey relational analysis (GRA) was developed by Deng Julong of Huazhong University of Science and Technology. It is one of the most widely used models of grey system theory. GRA uses a specific concept of information. It defines situations with no information as black, and those with perfect information as … See more Let where the Grey … See more • The Encyclopedia of Grey System Theory http://greysystem.org/ • Free Multi-criteria Decision Aiding (MCDA) Tools for Research Students http://sites.google.com/site/mcdafreeware/ See more GRA is an important part of grey system theory, pioneered by Deng Julong in 1982. A grey system means that a system in which part of … See more • Chan WK and Tong TKL, (2007), Multi-criteria material selections and end-of-life product strategy: Grey relational analysis approach, Materials & Design, Volume 28, Issue 5, Pages 1539-1546 See more WebDec 31, 2024 · The traditional grey correlation model cannot effectively identify the volatility and the grey correlation coefficient of trading data. In this paper, an inscribed cored …
A summary of grey forecasting and relational models and its ...
WebApr 12, 2024 · In order to improve the synergy level of marine disaster monitoring and early warning in coastal cities, an evaluation index system of 21 factors with 5 dimensions was constructed based on the synergy theory. The weights of all levels of indicators were determined by coefficient of variation method, and 24 representative coastal cities in … WebDec 30, 2024 · The improved grey correlation analysis method can effectively overcome the phenomenon that the positive and negative areas cancel each other in the integration process of the original algorithm, and it can also effectively measure the negative correlation between variables. on off repair
Applied Sciences Free Full-Text Sensitivity Analysis of …
WebDec 30, 2024 · The improved grey correlation analysis method can effectively overcome the phenomenon that the positive and negative areas cancel each other in the integration … WebGrey relational analysis is a method of calculating grey relational degree and determining the contribution measure of the main behavior of the system or the influence degree … WebSep 19, 2013 · Grey correlation theory is one of the important contents of grey system theory. The general idea of grey correlation theory is to measure the correlational degree among different discrete sequences based on their geometric similarity or dissimilarity degree of development forms. on off relationship