Trajectories of the fixed-time generalized synchronization error (a) and the total generalized synchronization error (b) between networks (1) and (5) with N = 100, σ₀ = 1.9 and k = 0.6, c₁ = 0.1, c₂ = 0.2, θ₁ = 0.8, θ₂ = 1.3.