% Smart Antennas - Laplace density curve


x=-10:.01:10;
sig=2;

p=exp(-abs(x*sqrt(2)/sig))/(sqrt(2)*sig);
figure;plot(x,p,'k')
xlabel('x')
ylabel('p(x)')
axis([-10 10 0 .4])
set(gca,'xtick',[-15 15])
set(gca,'ytick',[-15 15])