Undocumented feature

The MCR_CACHE_ROOT environment variable can reportedly help to speed-up deployed Matlab executables.

Matlab Command Window text can be formatted *bold* since R2011b.

The Matlab waitfor function can be used to wait for asynchronous Java/ActiveX events, as well as with timeouts.

warnings can be trapped in a try-catch block just like regular errors. This articles explains how.

Matlab uitables can present long column headers in multiple lines, for improved readability.

Matlab's scatter plot can automatically jitter data to enable better visualization of distribution density.

Several alternatives are explored for dynamic array growth performance in Matlab loops.

Preallocation is a standard Matlab speedup technique. Still, it has several undocumented aspects.

Matlab menu items can easily display custom icons, using just a tiny bit of Java magic powder.

Matlab menu items can be customized in a variety of useful ways using their underlying Java object.