
clf

 x=linspace(0,7,100);
 y=0.01+100*exp(-1.8*x);
 plot(x,y);
        semilogy(x,y,'r-','linewidth', 2);
        %plot(x,y,'r-','linewidth', 2);
        axis([0,7,0.01,100])
        set(gca,'FontSize',16); %% set the font of tick label
        xlabel('Time', 'fontsize', 20);
        ylabel('Friction', 'fontsize', 20);

print('-deps', 'fric_func')



