% Some sensible labeling and sizing options.
set(gcf,'DefaultAxesFontsize',20)
% Axis line widths. 
set(gca(),'LineWidth',2)
% Set the paper size to be smaller.
set(gcf,'PaperUnits','inches','PaperOrientation','portrait','PaperSize',[3,4]);
set(gcf,'PaperPosition',[0,0,4,3])
% Use this for indexing colors in matlab equivalent.
% colchar=['r','g','b','m','c','k'];