Finite Volume Element Approximation for the Elliptic Equation with Distributed Control

Table 1

Errors of the control for different error norms.

	error		error		error
1/8	1.7412E-01	-	4.4468E-02	-	2.3006	-
1/16	4.1870E-02	2.05	1.0374E-02	2.09	1.1313	1.02
1/32	1.0476E-02	2.00	2.5558E-03	2.02	5.6371E-01	1.00
1/64	2.6171E-03	2.00	6.3685E-04	2.00	2.8162E-01	1.00