Table 1 Comparison of${\mathbit{f}}^{\mathbf{″}}\mathbf{\left(}\mathbf{0}\mathbf{\right)}$for a stretching sheet obtained for different values ofλ, for fixed values of$\mathbit{\chi }\mathbf{=}\mathbf{0}$,${\mathbit{K}}_{\mathbit{p}}\mathbf{=}\mathbf{0}$and$\mathbit{s}\mathbf{=}\mathbf{0}$

λ Wang [33] Ishak et al. [34] Rosali et al. [35] Present
${\mathbit{K}}_{\mathbit{p}}\phantom{\rule{0.2em}{0ex}}\mathbf{=}\mathbf{0}$, $\mathbit{s}\mathbf{=}\mathbf{0}$, $\mathbit{\chi }\mathbf{=}\mathbf{0}$ ${\mathbit{K}}_{\mathbit{p}}\phantom{\rule{0.2em}{0ex}}\mathbf{=}\mathbf{1}$, $\mathbit{s}\mathbf{=}\mathbf{0.8}$, $\mathbit{\chi }\mathbf{=}\mathbf{0.5}$ ${\mathbit{K}}_{\mathbit{p}}\phantom{\rule{0.2em}{0ex}}\mathbf{=}\mathbf{0}$, $\mathbit{s}\mathbf{=}\mathbf{0}$, $\mathbit{\chi }\mathbf{=}\mathbf{0}$ ${\mathbit{K}}_{\mathbit{p}}\phantom{\rule{0.2em}{0ex}}\mathbf{=}\mathbf{1}$, $\mathbit{s}\mathbf{=}\mathbf{0.8}$, $\mathbit{\chi }\mathbf{=}\mathbf{0.5}$
0 1.232588 1.232588 1.232588 1.476217 1.23258766 1.47621732
0.1 1.14656 1.146561 1.146561 1.353345 1.14656100 1.35334508
0.2 1.05113 1.051130 1.051130 1.224482 1.05112999 1.22448220
0.3 - - 0.946816 1.089841 0.94681612 1.08984055
0.4 - - 0.834072 0.949614 0.83407209 0.94961358
0.5 0.71330 0.713295 0.713295 0.803979 0.71329496 0.80397876
1 0 0 0 0 0 0
2 −1.88731 −1.887307 −1.887307 −1.941163 −1.88730667 −1.94116318
3 - −4.276541 −4.276541 −4.260253 −4.27654145 −4.26025264
4 - −7.086378 −7.086378 −6.904439 −7.08637761 −6.90443860
5 −10.26475 −10.264749 −10.264749 −9.837608 −10.26474931 −9.83760839