Figure 3

Influence of \(K^{*}\) on \(f^{\prime}\) when \(\left( {Gr} \right)_{t} = 0.5, Pr = 4, Sc = 5, \beta = 0.2, Ec = 0.001,\left( {Gr} \right)_{c} = 0.3,M = 0.5,\beta^{*} = 0.2, Sr = 0.1\) and \(Du = 0.2\).

Influence of \(K^{*}\) on \(f^{\prime}\) when \(\left( {Gr} \right)_{t} = 0.5, Pr = 4, Sc = 5, \beta = 0.2, Ec = 0.001,\left( {Gr} \right)_{c} = 0.3,M = 0.5,\beta^{*} = 0.2, Sr = 0.1\) and \(Du = 0.2\).