Sometimes you need to make a comment to a figure for later reference but don't want to show it on the plotting area.
These functions allow you to write and extract comments to/from the figure's UserData which is not displayed.
This way the figure's .fig file becomes a self-contained document containing the data, annotations and visualizations.
Germán (2021). Insert annotation in figure's metadata (https://www.mathworks.com/matlabcentral/fileexchange/43179-insert-annotation-in-figure-s-metadata), MATLAB Central File Exchange. Retrieved .
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