% Illustration of "uplft" (feedback via the Delta-matrix) G = rlfr(4,2,3,5,6,'d_'); % Computation of the reduced LFR-object corresponding to % s = 10j and delta_2 = 20: Gred1 = uplft(G,{'1/s','d_2'},[1/(10*j),20]); % Compare size(G) size(Gred) % Alternalively, using the function eval Int = 1/(10*j); d_2 = 20; Gred2 = eval(G);