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function zi = ziexpand(Hd,x,zi) %ZIEXPAND Expand initial conditions for multiple channels when necessary % ZI = ZIEXPAND(Hd, X, ZI) % % This function is intended to only be used by SUPER_FILTER to expand initial % conditions. % % This should be a private method. % Author: Thomas A. Bryan, R. Losada % Copyright 1988-2002 The MathWorks, Inc. % There are no states so this is a no-op