function varargout = plotshaded(x,y,fstr); % x: x coordinates % y: either just one y vector, or 2xN or 3xN matrix of y-data % fstr: format ('r' or 'b--' etc) % % example % x=[-10:.1:10];plotshaded(x,[sin(x.*1.1)+1;sin(x*.9)-1],'r'); if size(y,1)>size(y,2) y=y'; end; if size(y,1)==1 % just plot one line plot(x,y,fstr); end; if size(y,1)==2 %plot shaded area px=[x,fliplr(x)]; % make closed patch py=[y(1,:), fliplr(y(2,:))]; patch(px,py,1,'FaceColor',fstr,'EdgeColor','none'); end; if size(y,1)==3 % also draw mean px=[x,fliplr(x)]; py=[y(1,:), fliplr(y(3,:))]; patch(px,py,1,'FaceColor',fstr,'EdgeColor','none'); plot(x,y(2,:),fstr); end; alpha(.2); % make patch transparent