Adaptive Modified Function Projective Synchronization between Two Different Hyperchaotic Dynamical Systems

Figure 5

The estimates 𝛼₁(𝑡), 𝛽₁(𝑡), 𝛾₁(𝑡), 𝑟₁(𝑡) of the unknown parameters converges to 𝛼=10,𝛽=28,𝛾=8/3, and 𝑟=0.1 as 𝑡 tends to 3.