% for more visit:
%  http://www.mathworks.com/access/helpdesk/help/techdoc/ref/figure_props.html
% this creates jpeg files.
% SET command changes the paper units to inches and and so on, here the  size is 8 by 11 square inches.

         plot(1:10)
         set(gcf,'PaperUnits','inches','PaperPosition',[ 8 10 8.5 11])
         print -djpeg matout.jpg -r100