sysgroup

% -*- texinfo -*-
% @deftypefn {Function File} {@var{sys} =} sysgroup (@var{asys}, @var{bsys})
% Combines two systems into a single system.
%
% @strong{Inputs}
% @table @var
% @item asys
% @itemx bsys
% System data structures.
% @end table
%
% @strong{Output}
% @table @var
% @item sys
% @math{sys = @r{block diag}(asys,bsys)}
% @end table
% @example
% @group
%          __________________
%          |    ________    |
% u1 ----->|--> | asys |--->|----> y1
%          |    --------    |
%          |    ________    |
% u2 ----->|--> | bsys |--->|----> y2
%          |    --------    |
%          ------------------
%               Ksys
% @end group
% @end example
% The function also rearranges the internal state-space realization of @var{sys}
% so that the continuous states come first and the discrete states come last.
% If there are duplicate names, the second name has a unique suffix appended
% on to the end of the name.
% @end deftypefn