www.gusucode.com > signal 工具箱matlab源码程序 > signal/@dfilt/@df1sos/blockparams.m
function s = blockparams(Hd, mapstates, varargin) %BLOCKPARAMS Returns the parameters for BLOCK % Copyright 1988-2012 The MathWorks, Inc. s = super_blockparams(Hd); s.IIRFiltStruct = 'Direct form I'; % IC if strcmpi(mapstates, 'on'), ic = getinitialconditions(Hd); s.ICNum = mat2str(ic.Num); s.ICDen = mat2str(ic.Den); end