skewness_geometric SciMax Toolbox skewness_hypergeometric

SciMax Toolbox >> skewness_gumbel

skewness_gumbel

Maxima Function

Calling Sequence

skewness_gumbel (a,b)

Description

Returns the skewness coefficient of a Gumbel(a,b) random variable, with b>0.

(%i1) load (distrib)$
(%i2) assume(b>0)$ skewness_gumbel(a,b);
                       12 sqrt(6) zeta(3)
(%o3)                  ------------------
                                 3
                              %pi
(%i4) numer:true$ skewness_gumbel(a,b);
(%o5)                   1.139547099404649

where zeta stands for the Riemann's zeta function.

skewness_geometric SciMax Toolbox skewness_hypergeometric