Figure 16

Functions related to ${\mathit{u}}_{\mathbf{3}}\mathit{(}\mathit{\xi }\mathit{,}\mathit{\eta }\mathit{,}\mathit{\zeta }\mathit{)}\mathit{:}{\mathit{P}}_{\mathbf{3}}^{\mathbf{5}}\mathit{(}\mathit{\xi }\mathit{,}\mathit{\eta }\mathit{)}$ and ${\mathit{T}}_{\mathbf{3}}^{\mathbf{5}}\mathit{\left(}\mathit{\zeta }\mathit{\right)}$ .