Fig. 1From: Fractional-order 4D hyperchaotic memristive system and application in color image encryptionDynamic analysis of 4D hyperchaotic memristive system. a Phase diagram; b Lyapunov exponent spectrum with a = 4, b = 0.01, α = 36, β = 20, γ = 3, ρ = 3, versus q∈[0.75,1]; c bifurcation diagram with a = 4, b = 0.01, α = 36, β = 20, γ = 3, ρ = 3, versus q∈[0.75,1]Back to article page