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Coupling detrended fluctuation analysis for analyzing coupled nonstationary signals
Physical Review E
When many variables are coupled to each other, a single case study could not give us thorough and precise information. When these time series are stationary, different methods of random matrix analysis and complex networks can be used. But, in nonstationary cases, the multifractal-detrended-cross-correlation-analysis (MF-DXA) method was introduced for just two coupled time series. In this article, we have extended the MF-DXA to the method of coupling detrended fluctuation analysis (CDFA) fordoi:10.1103/physreve.84.021138 pmid:21928980 fatcat:7b7i3r454jftpj5rcylhzu36ly