Maxima Function
mean_gumbel (a,b)
Returns the mean of a Gumbel(a,b) random variable, with b>0.
(%i1) load (distrib)$ (%i2) assume(b>0)$ mean_gumbel(a,b); (%o3) %gamma b + a
where symbol %gamma stands for the Euler-Mascheroni constant. See also .
%gamma