% -*- texinfo -*-
% @deftypefn {Function File} {} mahalanobis (@var{x}, @var{y})
% Return the Mahalanobis' D-square distance between the multivariate
% samples @var{x} and @var{y}, which must have the same number of
% components (columns), but may have a different number of observations
% (rows).
% @end deftypefn