% Distribution and density for a bell-shaped curve. Figure 9.8, p. 283.

subplot(1,2,1)
hold on
axis square
fplot('exp(t)/(1+exp(t))',[-7,7],'k')
title('Cumulative')

subplot(1,2,2)
hold on
axis square
fplot('exp(t)/((1+exp(t))^2)',[-7,7],'k')
title('Density')
