Grey correlation degree
WebJan 28, 2024 · Grey correlation analysis is based on the grey system theory and is used to solve uncertainty problems, such as when there is incomplete information and fewer data. The basic idea is to study geometric features between indicators on the basis of mathematical methods. WebApr 12, 2024 · The grey correlation analysis (GRA) method can quantify the evaluation of design solutions and evaluate the merits of design solutions by comparing the comprehensive scores 17. By combining the...
Grey correlation degree
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WebFeb 24, 2024 · Calculate grey incidence matrix. Let the grey incidence matrix be B. Calculate grey correlation degree; 2.4 scoring. 3. Case analysis. Data source: LAN Zuoyun. 3.1 reading data data=xlsread('D:\desktop\TOPSIS.xlsx')' %The abscissa is the evaluation index and the ordinate is the evaluation object return: 3.2 data standardization WebThe correlation degrees of temperature and operating pressure to SCC susceptibility were calculated using the grey relational theory. The correlation degree of temperature to the SCC susceptibility was greater than that of operating pressure to …
Web206Gray correlation degree analysis of controlling factors on coal deformation. (1) Laboratory test Rock mechanics parameters can be gotten by laboratory mechanical … WebNov 21, 2011 · A model of nearness degree of incidence is established based on grey neural network and a cluster algorithm with the model used can deliver results that have a high accuracy, so the new model can be applicated in a wide range of fields. 1 Highly Influenced PDF View 6 excerpts, cites background
WebJan 1, 2007 · Gray correlation coefficient analysisGray correlation coefficient analysis is a method to determine whether or not variables are correlated and to determine the … 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 …
Web3.2. Sichuan Province Health Investment, Resident Health and Economic Growth of the Coupling Coordination Level Correlation Factor Analysis. Using the grey correlation method to explore the factors of the influence degree of the three system coordination development level in Sichuan province, correlation analysis and calculating the …
WebThe grey correlation degree of soil layer density, vehicle mass and vehicle speed to displacement, velocity, and acceleration is 0.7951–0.9993, which indicates that their influence is significant. This study can provide reference for the design and construction of similar civil air defense constructions. Keywords: homes to genies crosswordWebJan 1, 2014 · Grey correlation analysis is not only the important part of grey system theory, but also the cornerstone of grey forecasting, grey policymaking, grey clustering and … his999WebAug 19, 2024 · A measure of the correlation between two systems or factors is called the correlation degree. If the relative changes between the two are basically the same in … homes to genies as seen in the arabian nightsWebJan 4, 2024 · It can be seen from Sect. 3.1 that the correlation degree r_ {i} of the traditional gray correlation analysis model is obtained by weighted average of the gray correlation coefficient \zeta_ {i} (j). That is, the importance of each time domain feature in the feature set is considered to be the same. his a0205WebAug 16, 2024 · The grey correlation model was used to analyze the related input factors impact on forestry economic growth. Every input factor had different degree influences on Chinese forestry output value. The results showed that Chinese forestry economic growth was mainly driven by capital investment and property system; particularly, the … his a1802WebAlso, according to the Gray correlation analysis results, the permanent deformation of highway subgrade filled with C&D materials is influenced by the deviator stress most significantly, followed by moisture content, degree of compaction, and confining pressure. homes to go fort worthWebAccording to the grey correlation degree, the concrete steps for analyzing the cross- efficiency matrix are the following. Step 1. Normalize the cross-efficiency matrix as Formula (5). (5) Therefore, we can obtain the normalized data matrix as (6) Step 2. Determine the ideal solution as follows, (7) homes to go 3 rivers