Figure 5

Asymptotic convergence rate for \(u_{\mathrm{ex}}^{1,\beta }\) on a logarithmic scale using (41) with \(r=1\): \(\log _{2} E_{\mathrm{max}}^{n}\)
Asymptotic convergence rate for \(u_{\mathrm{ex}}^{1,\beta }\) on a logarithmic scale using (41) with \(r=1\): \(\log _{2} E_{\mathrm{max}}^{n}\)