var_discrete_uniform SciMax Toolbox var_f

SciMax Toolbox >> var_exp

var_exp

Maxima Function

Calling Sequence

var_exp (m)

Description

Returns the variance of an Exponential(m) random variable, with m>0.

The Exponential(m) random variable is equivalent to the Weibull(1,1/m), therefore when Maxima has not enough information to get the result, a noun form based on the Weibull variance is returned.

(%i1) load (distrib)$
(%i2) var_exp(m);
                                       1
(%o2)                   var_weibull(1, -)
                                       m
(%i3) assume(m>0)$  var_exp(m);
                               1
(%o4)                          --
                                2
                               m
var_discrete_uniform SciMax Toolbox var_f