What is it about?
A very cool trick allows to calculate approximative values for the recurrence quantification measures.
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Why is it important?
Calculation complexity of recurrence quantification is high, resulting in quadratic growth of calculation time. This is important for long time series. Calculation time could be reduced by parallelisation of computer code, or, as in this paper, by approximation. The speedup by approximation is more than 3 magnitudes!
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This page is a summary of: Approximation of diagonal line based measures in recurrence quantification analysis, Physics Letters A, June 2015, Elsevier,
DOI: 10.1016/j.physleta.2015.01.033.
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