ver MATLAB, SIMULINK, and TOOLBOX version information.
ver displays the current MATLAB and toolbox version numbers.
ver(TOOLBOX_DIR) displays the current version information for the
toolbox specified by the string TOOLBOX_DIR.

For example,
ver control
returns the version info for the Control System Toolbox.

For tips on how to hook your toolboxes into ver ‘type ver.m’.

See also version, hostid, license, info, whatsnew.