A Difference Scheme and Its Error Analysis for a Poisson Equation with Nonlocal Boundary Conditions

Table 3

The errors for finite difference solutions in two norms.

4	1.056E − 03		1.539E − 03
5	2.680E − 04	3.94	3.848E − 04	4.00
6	6.752E − 05	3.97	9.623E − 05	4.00
7	1.695E − 05	3.98	2.406E − 05	4.00