Table 3 Single solitary case: Computational errors in the ${\mathit{L}}^{\mathbf{2}}$ -norm and the energy norm for ${\mathit{P}}^{\mathbf{1}}$ approximation with respect to time step ( $\mathit{h}\mathbf{=}\mathbf{0.05}$ )

From: Analysis and application of the discontinuous Galerkin method to the RLW equation