## -*- texinfo -*- ## @deftypefn {Function File} {} FIRfilter () ## @deftypefnx {Function File} {} FIRfilter (@var{p}) ## Creates an FIR filter with polynomial @var{p} as ## coefficient vector. ## ## @end deftypefn function f = FIRfilter (p) if (nargin == 0) f.polynomial = @polynomial ([1]); elseif (nargin == 1) if (isa (p, "polynomial")) f.polynomial = p; else error ("FIRfilter: expecting polynomial as input argument"); endif else print_usage (); endif f = class (f, "FIRfilter"); endfunction