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function f = thisisparallel(Hd) %THISISPARALLEL True for filter with parallel stages. % THISISPARALLEL(Hd) returns 1 if filter Hd is composed of parallel stages, % and 0 otherwise. % % See also DFILT. % Author: Thomas A. Bryan % Copyright 1988-2004 The MathWorks, Inc. % This should be private f = true;