Optimal Error Estimate of Chebyshev-Legendre Spectral Method for the Generalised Benjamin-Bona-Mahony-Burgers Equations

Figure 1

The evolution of 𝑢(𝑥,𝑡) with different 𝛼.

(a) 𝛼=0.02

(b) 𝛼=0.1

(c) 𝛼=0.2