If you are using MATLAB version R2015b or later, you can view and manage all installed add-ons including toolboxes using the Add-On Manager. To open the Add-On Manager, in MATLAB, go to the Home tab, and select Add-Ons > Manage Add-Ons.
To view the function list for a toolbox, select the toolbox in the Add-On Manager and, in the Options menu on the right of the add-on, select View in Add-On Explorer. The Functions tab shows the list of functions included with the toolbox.
Alternatively, to produce a list of installed MathWorks toolboxes, use the 'ver' command:
To produce a list of installed Community toolboxes, use the 'matlab.addons.toolbox.installedToolboxes' command:
To produce a list of the functions available in a toolbox, use the 'help' function: