Description of complex time series by multipoles

M. Lewkowicz, J. Levitan, N. Puzanov, N. Shnerb, Knud Særmark

Research output: Contribution to journalJournal articleResearchpeer-review


We present a new method to describe time series with a highly complex time evolution. The time series is projected onto a two-dimensional phase-space plot which is quantified in terms of a multipole expansion where every data point is assigned a unit mass. The multipoles provide an efficient characterization of the original time series.
Original languageEnglish
JournalPhysica a-statistical mechanics and its applications
Issue number1-2
Pages (from-to)260-274
Publication statusPublished - 2002

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