SHOWWINDOW(NAME,STATE) changes the state of the window with a certain NAME to the specified STATE. STATE must be one of the following:
'hide', 'shownormal', 'normal', 'showminimized', 'showmaximized',
'maximize', 'shownoactivate', 'show', 'minimize', 'showminnoactive',
'showna', 'restore', 'showdefault', 'forceminimize',
'max'

Examples:

>> showwindow('MATLAB','minimize')
>> showwindow('','minimize')
>> figure(4); showwindow('Figure No. 4','maximize'); text(.5,.5,'Simoneau')