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. Author manuscript; available in PMC: 2007 Apr 1.
Published in final edited form as: Syst Control Lett. 2006 Apr;55(4):329–337. doi: 10.1016/j.sysconle.2005.08.009

Fig. 5.

Fig. 5

Step response of σ1. We simulated the effect of positive feedback on systems σ1. We did this for both the original nonlinear and the linearized system. Parameters are α = 0.1,β = 4,k = 40 and l = 1.