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Prediction of flow dynamics using point processes (new prediction scheme) #65

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Datseris opened this issue Dec 20, 2018 · 0 comments
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big project Significant work from both coding and scientific perspective enhancement New feature or request wanted feature We want this!

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Datseris commented Dec 20, 2018

https://aip.scitation.org/doi/full/10.1063/1.5016219?Track=CHAFT

From the paper's abstract:

Describing a time series parsimoniously is the first step to study the underlying dynamics. For a time-discrete system, a generating partition provides a compact description such that a time series and a symbolic sequence are one-to-one. But, for a time-continuous system, such a compact description does not have a solid basis. Here, we propose to describe a time-continuous time series using a local cross section and the times when the orbit crosses the local cross section. We show that if such a series of crossing times and some past observations are given, we can predict the system's dynamics with fine accuracy. This reconstructability neither depends strongly on the size nor the placement of the local cross section if we have a sufficiently long database. We demonstrate the proposed method using the Lorenz model as well as the actual measurement of wind speed.


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@Datseris Datseris added enhancement New feature or request wanted feature We want this! big project Significant work from both coding and scientific perspective labels Dec 20, 2018
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