var_binomial SciMax Toolbox var_continuous_uniform

SciMax Toolbox >> var_chi2

var_chi2

Maxima Function

Calling Sequence

var_chi2 (n)

Description

Returns the variance of a Chi-square random variable Chi^2(n), with n>0.

The Chi^2(n) random variable is equivalent to the Gamma(n/2,2), therefore when Maxima has not enough information to get the result, a noun form based on the gamma variance is returned.

(%i1) load (distrib)$
(%i2) var_chi2(n);
                                   n
(%o2)                    var_gamma(-, 2)
                                   2
(%i3) assume(n>0)$ var_chi2(n);
(%o4)                          2 n
var_binomial SciMax Toolbox var_continuous_uniform