Boundary Layer Resolving Exact Difference Scheme for Solving Singularly Perturbed Convection-Diffusion-Reaction Equation

Table 4

Example 2, the comparison of the maximum absolute error of the proposed scheme on the Shishkin mesh and the result in [16] for boundary layer region.

Result in [16]	Proposed scheme	Result in [16]	Proposed scheme
8	2.733708e − 02	2.2928e − 03	2.733715e − 02	2.2928e − 03
16	1.420798e − 02	1.6804e − 03	1.420822e − 02	1.6804e − 03
32	9.267409e − 03	1.5971e − 03	9.267692e − 03	1.5969e − 03
64	5.863876e − 03	1.0624e − 03	5.864240e − 03	1.0626e − 03
128	3.497379e − 03	6.0492e − 04	3.497815e − 03	6.0503e − 04
256	1.969163e − 03	3.2172e − 04	1.969650e − 03	3.2173e − 04