% DT_plot_example.m
% EE 313 Signals and Systems
% Dr. Thomas P. Montoya
clear; clc; close all % wipe the slate clean
k = 0:1:8;       % Define range of indices
i=25*exp(-0.6*k); % Define current values
stem(k,i,'r.','linewidth',1.5,'markersize',18),
axis([-1 8 0 27]), % Manually set horiz. & vertical axis scales 
ylabel('i[k] (A)','fontsize',14,'fontname','times'),
xlabel('k','fontsize',14,'fontname','times'),
title('Discrete-Time Plot','fontsize',16,'fontname','times'),
% Label some stems with the value of i[]
for n=1:6,  % can go to length(k)
  text(k(n)+0.0,i(n)+1.5,[' ' num2str(i(n),5)],'HorizontalAlignment',...
      'center','VerticalAlignment','top','fontname','times')
end
set(findobj('type','line'),'linewidth',1.5,'markersize',18)
set(findobj('type','axes'),'fontname','times','fontsize',12,'linewidth',2)