EE341: MATLAB M-FILE FOR PLOTTING COMBINATION SIGNALS

t = -2.0:0.01:3.0;                  % define t-values
y = t.*((t >= 0) - (t >= 2));       % define y-signal

subplot(2,1,1);                     % break figure into 2rows, 1col,
                                    % and put next plot in 1st position
plot(t,y);                          % plot y-signal with labels
xlabel('t');
ylabel('y(t)');
title('Plot of y(t)=t[u(t) - u(t-2)]');

                                    % define x-signal
x = (t.*t).*((t>=-1)-(t>=0)) + (t-1).*((t>=0)-(t>=1)) + (-1)*((t>=1)-(t>=2));

subplot(2,1,2);                     % break figure into 2rows, 1col,
                                    % and put next plot in 2nd position
plot(t,x);                          % plot x-signal with labels
xlabel('t');
ylabel('x(t)');
title('Plot of x(t)=t^2[u(t+1)-u(t)]+(t-1)[u(t)-u(t-1)]+(-1)[u(t-1)-u(t-2)]');