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Theory and Modern Applications

Figure 1 | Advances in Difference Equations

Figure 1

From: Two types of permanence of a stochastic mutualism model

Figure 1

SolutionX(t)=(x(t),y(t))of system ( 4 ) forx(0)=0.5,y(0)=0.5. The horizontal axis represents the time t. (a) is with σ 1 2 /2= σ 2 2 /2=0.01 and step size Δt=0.01; (b) is with σ 1 2 /2= σ 2 2 /2=0.01 and step size Δt=0.002; (c) is with σ 1 2 /2= σ 2 2 /2=1 and step size Δt=0.002.

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