balreal

% -*- texinfo -*-
% @deftypefn {Function File} {[@var{sysb}, @var{g}] =} balreal (@var{sys})
% @deftypefnx {Function File} {[@var{sysb}, @var{g}, @var{T}, @var{Ti}] =} balreal (@var{sys})
% Balanced realization of the continuous-time LTI system @var{sys}.
%
% @strong{Input}
% @table @var
% @item sys
% Stable, controllable and observable continuous-time LTI system.
% @end table
%
% @strong{Outputs}
% @table @var
% @item sysb
% Balanced realization of @var{sys}.
% @item g
% Diagonal of the balanced gramians.
% @item T
% State transformation to convert @var{sys} to @var{sysb}.
% @item Ti
% Inverse of T.
% @end table
%
% @seealso{gram}
% @end deftypefn