> plot({(4/Pi)^(1/4)*exp(-2*t^2),(10/Pi)^(1/4)*exp(-5*t^2)}, t=-5..5, title=`Plot of normal distribution f_s(t)=(2*s/Pi)^(1/4)*exp(-s*t^2) for s =2, 5`);

> plot({(1/Pi)^(1/4)*exp(-t^2/8),(2/(5*Pi))^(1/4)*exp(-t^2/20)}, t=-5..5, title=`Plot of Fourier transform of normal distribution f_s(t)=(2*s/Pi)^(1/4)*exp(-s*t^2) for s =2, 5`);

>