ribution                         [ D  x  1 ]
%   s          covariance matrix of the test distribution            [ D  x  D ]
%
% *Output arguments:*
%
%   M          mean of pred. distribution                            [ E  x  1 ]
%   S          covariance of the pred. distribution                  [ E  x  E ]
%   V          inv(s) times covariance between input and output      [ D  x  E ]
%
%
% Copyright (C) 2008-2013 by
% Marc Deisenroth, Andrew McHutchon, Joe Hall, and Carl Edward Rasmussen.
%
% Last m