From: Adam A on
> however, there is this function on the file exchange called supertitle which should do what you want: http://www.mathworks.com/matlabcentral/fileexchange/3233

The function 'supertitle' doesn't seem to exist in the file exchange any more.

However, the function 'mtit' does the job quite nicely instead:
http://www.mathworks.com/matlabcentral/fileexchange/3218-mtit-a-pedestrian-major-title-creator