Figure 3

(a) Graph of concentration profile \(w_{1}\) using the proposed NSFD splitting method for \(h=0.1\), \(\tau =0.04\), \(\eta _{1}=\eta _{2}=0.008\). (b) Graph of concentration profile \(w_{2}\) using the proposed NSFD splitting method for \(h=0.1\), \(\tau =0.04\), \(\eta _{1}=\eta _{2}=0.008\). (c) Plot of concentration \(w_{1}\) using the proposed NSFD splitting method for \(h=0.1\), \(\tau =0.04\), \(\eta _{1}=\eta _{2}=0.008\). (d) Plot of concentration \(w_{2}\) using the proposed NSFD splitting method for \(h=0.1\), \(\tau =0.04\), \(\eta _{1}=\eta _{2}=0.008\)