Table 3 Invariants and error norms for a single solitary wave with $\mathit{c}\mathbf{=}\mathbf{0.3}$ , $\mathit{h}\mathbf{=}\mathbf{0.1}$ , $\mathit{k}\mathbf{=}\mathbf{0.01}$ , $\mathbf{0}\mathbf{\le }\mathit{x}\mathbf{\le }\mathbf{100}$

t

${\mathit{I}}_{\mathbf{1}}$

${\mathit{I}}_{\mathbf{2}}$

${\mathit{I}}_{\mathbf{3}}$

${\mathit{L}}_{\mathbf{2}}\times {\mathbf{10}}^{\mathbf{4}}$

${\mathit{L}}_{\mathbf{\infty }}\times {\mathbf{10}}^{\mathbf{4}}$