Table 4.

Comparative analysis between bvp4c and PCM techniques for velocity.

$\eta$	$\text{PCM}{f}^{\prime }(\eta )$	$\text{bvp4c}{f}^{\prime }(\eta )$	Absolute error
0.0	$5.09\times {10}^{-21}$	0.000000	$5.09\times {10}^{-21}$
0.1	0.059923	0.121043	$4.2\times {10}^{-7}$
0.2	0.159901	0.211168	$1.7\times {10}^{-6}$
0.3	0.259954	0.311364	$3.7\times {10}^{-6}$
0.4	0.359994	0.411624	$6.03\times {10}^{-6}$
0.5	0.459987	0.511937	$9.2\times {10}^{-6}$
0.6	0.559998	0.612295	$1.4\times {10}^{-5}$
0.7	0.659935	0.713689	$1.7\times {10}^{-5}$
0.8	0.759957	0.813110	$2.3\times {10}^{-5}$
0.9	0.859902	0.913549	$2.7\times {10}^{-5}$
10.0	0.959946	1.023997	$2.8\times {10}^{-5}$