simulation. options=simset('InitialState',U0);[T,X,Y]=sim('ab',ts,options,UT); Overlay simulation onto bifurcation diagram Plot the simulation on top of the bifurcation diagram. PAR=interp1(ts,PAR0(:,1),T);L2norm=sqrt(Y(:,1).^2+Y(:,2).^2);plot(PAR,L2norm,'m');snapnow;close(gcf) Two-parameter