Table 3 Effect of fluid unsteadiness on the skin friction and a comparison of bvp4c with SRM when $\mathit{P}\mathit{r}\mathbf{=}\mathbf{2}$ , $\mathit{D}\mathbf{=}\mathbf{1}$ , $\mathit{\varphi }\mathbf{=}\mathbf{0}$ , ${\mathit{r}}_{\mathbf{1}}\mathbf{=}\mathbf{2}$ , $\mathit{m}\mathbf{=}\mathbf{1.5}$ , $\mathit{\omega }\mathbf{=}\mathbf{0.75}$ and ${\mathit{N}}_{\mathit{R}}\mathbf{=}\mathbf{1}$

S

bvp4c

Iter

$\mathbf{-}{\mathbf{f}}^{″}\mathbf{(}\mathbf{0}\mathbf{)}$

Iter

$\mathbf{-}{\mathbf{f}}^{″}\mathbf{(}\mathbf{0}\mathbf{)}$