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

Table 2

Example 2, the maximum absolute error, -uniform error and -uniform rate of convergence .

On uniform mesh
	1.8404e − 03	9.2256e − 04	4.6117e − 04	2.3048e − 04	1.1521e − 04
	1.8404e − 03	9.2256e − 04	4.6117e − 04	2.3048e − 04	1.1521e − 04
	1.8404e − 03	9.2256e − 04	4.6117e − 04	2.3048e − 04	1.1521e − 04
	1.8404e − 03	9.2256e − 04	4.6117e − 04	2.3048e − 04	1.1521e − 04
	1.8404e − 03	9.2256e − 04	4.6117e − 04	2.3048e − 04	1.1521e − 04
	1.8404e − 03	9.2256e − 04	4.6117e − 04	2.3048e − 04	1.1521e − 04
	0.9963	1.0003	1.0007	1.0004	—
On Shishkin mesh
	2.5298e − 03	1.2933e − 03	6.6114e − 04	3.3536e − 04	1.6903e − 04
	2.5302e − 03	1.2939e − 03	6.6166e − 04	3.3570e − 04	1.6924e − 04
	2.5303e − 03	1.2940e − 03	6.6171e − 04	3.3574e − 04	1.6926e − 04
	2.5303e − 03	1.2940e − 03	6.6172e − 04	3.3574e − 04	1.6926e − 04
	2.5303e − 03	1.2940e − 03	6.6172e − 04	3.3574e − 04	1.6926e − 04
	2.5303e − 03	1.2940e − 03	6.6172e − 04	3.3574e − 04	1.6926e − 04
	0.9675	0.9675	0.9789	0.9881	—