Parsing mlint (Code Analyzer) output
The Matlab Code Analyzer (mlint) has a lot of undocumented functionality just waiting to be used.
Stock Matlab function
ishghandle's undocumented input parameter
The built-in function ishghandle accepts a second input argument with the expected handle type.
HG's undocumented parameters interface
Some HG functions also accept inputs parameters in a struct fields rather than the normal P-V pairs format.
Handle Graphics Behavior
HG behaviors are an important aspect of Matlab graphics that enable custom control of handle functionality.
Getting default HG property values
Matlab has documented how to modify default property values, but not how to get the full list of current defaults. This article explains how to do this.
Pinning annotations to graphs
Annotation object can be programmatically set at, and pinned-to, plot axes data points.
Buggy Profiler option
a bug exists in the profiler that prevents usage of its documented CPU timing functionality.
xlsread functionality change in R2012a
The functionality of the xlsread function has changed without documentation or warning in the R2012a release.
Images in Matlab uicontrols & labels
Images can be added to Matlab controls and labels in a variety of manners, documented and undocumented.
Changes in the online doc URLs
Matlab release R2012b has broken a vast number of links to its online documentation pages.