Undocumented scatter plot behavior
The scatter plot function has an undocumented behavior when plotting more than 100 points: it returns a single unified patch object handle, rather than a patch handle for each specific
Undocumented feature
uicontrol side-effect: removing figure toolbar
Matlab's built-in uicontrol function has a side-effect of removing the figure toolbar. This was undocumented until lately. This article describes the side-effect behavior and how to fix it.
Spicing up Matlab uicontrol tooltips
Matlab uicontrol tooltips can be spiced-up using HTML and CSS, including fonts, colors, tables and images
tic / toc – undocumented option
Matlab's built-in tic/toc functions have an undocumented option enabling multiple nested clockings
cprintf – display formatted color text in the Command Window
cprintf is a utility that utilized undocumented Matlab desktop functionalities to display color and underline-styled formatted text in the Command Window
cellfun – undocumented performance boost
Matlab's built-in cellfun function has an undocumented option to significantly improve performance in some cases.
Spy Easter egg
The built-in Matlab function spy has an undocumented feature (Easter egg) when it is called with no input arguments.