Fast Horizontal Visibility Graph (HVG) for MATLAB

Unweighted FAST implementation of the horizontal visibility algorithm for mapping time-series in complex networks

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Updated 7 Mar 2022

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MATLAB implementation of the fast (Divide&Conquer) algorithm for the construction of the HVG. 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 (2018). Physics Letters A, 382(1), 1-11.
Other References:
Luque, B., et al. (2009). Physical Review E, 80(4), 046103.
Lacasa, L., et al. (2008). PNAS, 105(13), 4972-4975.
Lan, X., et al. (2015). Chaos, 25(8), 083105.

Cite As

Giovanni Iacobello (2023). Fast Horizontal Visibility Graph (HVG) for MATLAB (https://www.mathworks.com/matlabcentral/fileexchange/72889-fast-horizontal-visibility-graph-hvg-for-matlab), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2017b
Compatible with any release
Platform Compatibility
Windows macOS Linux

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fast_HVG

Version Published Release Notes
2.0.0

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

1.2.0

Minor changes to variables description

1.1.0

Improved link storage. Faster version.

1.0.1

Minor changes

1.0.0