Fast natural visibility graph (NVG) for MATLAB

Weighted and Unweighted FAST implementation of the visibility algorithm for mapping signals in complex networks.
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Aggiornato 7 mar 2022

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MATLAB implementation of the fast (Divide&Conquer) algorithm for the construction of the NVG. The series and a time vector are required as inputs. The symmetrical adjacency matrix is returned as output. Please let me know if there is any issue or compatibility problem.
If you use this code, please cite
Iacobello, G., et al. (2021). Journal of Fluid Mechanics, 918, A13.
Iacobello, G., et al (2019). Physical Review Fluids, 4(10), 104501.
Other References:
Lacasa, L., et al. (2008). PNAS, 105(13), 4972-4975.
Lan, X., et al. (2015). Chaos, 25(8), 083105.

Cita come

Giovanni Iacobello (2024). Fast natural visibility graph (NVG) for MATLAB (https://www.mathworks.com/matlabcentral/fileexchange/70432-fast-natural-visibility-graph-nvg-for-matlab), MATLAB Central File Exchange. Recuperato .

Compatibilità della release di MATLAB
Creato con R2017b
Compatibile con qualsiasi release
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fast_NVG/fast_NVG

Versione Pubblicato Note della release
5.0.0

Major improvement: resolved infinite recursion for very large non-convex intervals

4.1.1

Minor changes update

4.1.0

Minor changes to variables description

4.0.0

NEW FEATURE: possibility to account for signal periodicity (closed series).

3.0.0

Change: neighbour saving approach.
Increased performance. The computational time is significantly reduced.

2.0.2

minor updates

2.0.1

comments update

2.0.0

Weighted - Unweighted option

1.0.4

Comments update

1.0.3

Comments update

1.0.2

Update: Linux compatibility

1.0.1

Minor changes: comments update

1.0.0