Figure 4From: Similarity analysis of MHD flow field and heat transfer of a second grade convection flow over an unsteady stretching sheet Residual error using 20th-order (HAM) via Mathematica package BVPh2.0 approximation, where \(\pmb{\mathit {Ma}=1}\) , \(\pmb{M=1}\) , \(\pmb{\Upsilon=0.127013}\) , \(\pmb{\mathit {Pr}=0.2}\) , \(\pmb{\mathit {Gr}=5}\) and \(\pmb{S=0.2}\) . Back to article page