**4. Analysis of Convergence of the Solutions**

The convergence Table 1 is organized for each profile up towards the 35th order of approximation. Table 2 compares the current work to the published work and reveals that there is very close agreement.


**Table 1.** Convergence of HAM solutions with order approximations.

**Table 2.** Comparison of −*θ* (0) and −*φ* (0) by alternating buoyancy ratio parameter *Nc* with published work.

