Feedback Control in a Periodic Delay Single-Species Difference System

Figure 1

Permanence of system (4.1) with 𝑥(−1)=0.04 and {𝑥(0),𝑢(0)}={0.0265,0.0008}. (a) and (b) show 𝑥 for 𝑘∈[0,1000] and 𝑥 for 𝑘∈[980,1000], respectively. (c) and (d) show 𝑢 for 𝑘∈[0,1000] and 𝑢 for 𝑘∈[980,1000], respectively.

(a)

(b)

(c)

(d)