% -*- texinfo -*- % @deftypefn {Function File} {@var{W} =} wgt1o (@var{vl}, @var{vh}, @var{fc}) % State space description of a first order weighting function. % % Weighting function are needed by the % @iftex % @tex % $ { \cal H }_2 / { \cal H }_\infty $ % @end tex % @end iftex % @ifinfo % H-2/H-infinity % @end ifinfo % design procedure. % These functions are part of the augmented plant @var{P} % (see @command{hinfdemo} for an application example). % % @strong{Inputs} % @table @var % @item vl % Gain at low frequencies. % @item vh % Gain at high frequencies. % @item fc % Corner frequency (in Hz, @strong{not} in rad/sec) % @end table % % @strong{Output} % @table @var % @item W % Weighting function, given in form of a system data structure. % @end table % @end deftypefn