uigetfolder

 UIGETFOLDER(title, initial_path)  Standard Windows browse for folder dialog box.

   folder = uigetfolder(title, initial_path)

   Output: folder       = selected folder (empty string if dialog cancelled)
   Inputs: title        = title string (OPTIONAL)
           initial_path = initial path (OPTIONAL, defaults to PWD)

   Examples:   folder = uigetfolder                          - default title and initial path
               folder = uigetfolder('Select results folder') - default initial path
               folder = uigetfolder([], 'C:\Program Files')  - default title

   See also UIGETFILE, UIPUTFILE