Variance - returns the variance of the elements of an array
array Variance -> double, unbiased estimate of variance of elements
[8 4 3 6 9 5] Variance --> 5.366
The function is implemented in SLI using Mean and Total
array
The Mathematica version is more general.
Replaces arr::Var in future versions.
[1] The Mathematica Book "Variance"
Diesmann
2009.2.22
/var/www/debian/nest/nest-simulator-2.20.0/lib/sli/mathematica.sli