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from Changing Window Titles by Malcolm Wood
Provides the ability to change the titles of all windows in the MATLAB process

window_example.m
% Copyright 2006-2010 The MathWorks, Inc.

%% Find all windows in the MATLAB process
[a,b] = findAllWindows

%% Find the MATLAB window and change its title
match = strcmp(b,'MATLAB');
if ~any(match)
    error('No window called "MATLAB" found');
end
a = a(match);

%% Set the title of the first one to show the current MATLAB version
v = ver('matlab');
setWindowTitle(a, sprintf('MATLAB %s %s',v.Version,v.Release));

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