In some cases you might want a small sized marker on a scatter plot, but in order to see the different colors in the legend, the marker must be larger in size.
This function resizes the marker independently from the marker size of the scatter plot.
*** Warning concerning usage in versions later than 2014a:
This function works best for MATLAB 2014a and earlier.
For later versions, after using this function, no further changes of the legend are possible except its location. Make sure that this is the final modification you want to do to your legend.
In general I cannot guarantee that it will work as smoothly as in 2014a and earlier versions because the solution is somehow cumbersome (recreating the legend in order to have the possibility of independent adjustment of sizes).
Andreas (2021). Adjust legend marker size (https://www.mathworks.com/matlabcentral/fileexchange/46105-adjust-legend-marker-size), MATLAB Central File Exchange. Retrieved .
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