std_binomial SciMax Toolbox std_continuous_uniform

SciMax Toolbox >> std_chi2

std_chi2

Maxima Function

Calling Sequence

std_chi2 (n)

Description

Returns the standard deviation 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 standard deviation is returned.

(%i1) load (distrib)$
(%i2) std_chi2(n);
                                   n
(%o2)                    std_gamma(-, 2)
                                   2
(%i3) assume(n>0)$ std_chi2(n);
(%o4)                    sqrt(2) sqrt(n)
std_binomial SciMax Toolbox std_continuous_uniform