Plot window is coming up blank. Why?

t = 0:0.01:10

for vs = 3.*exp(-t /3).*sin(pi*t)

    if (vs <= 0)

        vl = 0;
    else
        vl = vs;

    end
end
plot(t,vl)
title('Load voltage vs Time')

Answer 1

[Azzi Abdelmalek]

t = 0:0.01:10;
vs = 3.*exp(-t /3).*sin(pi*t);
vl=vs;
vl(vs<=0)=0;
plot(t,vl)