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.
Stock Matlab function
Undocumented mouse pointer functions
Matlab contains several well-documented functions and properties for the mouse pointer. However, some very-useful functions have remained undocumented and unsupported. This post details their usage.
Context-Sensitive Help
Matlab has a hidden/unsupported built-in mechanism for easy implementation of context-sensitive help
GUIDE customization
Matlab's GUI Design Editor (GUIDE) has several interesting undocumented features. This post describes how to customize GUIDE rulers.
Legend '-DynamicLegend' semi-documented feature
The built-in Matlab legend function has a very useful semi-documented feature for automatic dynamic update, which is explained here.
tic / toc – undocumented option
Matlab's built-in tic/toc functions have an undocumented option enabling multiple nested clockings
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.
ismembc – undocumented helper function
Matlab has several undocumented internal helper functions that can be useful on their own in some cases. This post presents the ismembc function.
Undocumented profiler options
The Matlab profiler has some undocumented options that facilitate debugging memory bottlenecks and JIT (Just-In-Time Java compilation) problems.