Approximate Solution of Inverse Problem for Elliptic Equation with Overdetermination

Table 3

Error analysis for u.

	𝑁=𝑀=20	𝑁=𝑀=40	𝑁=𝑀=80	𝑁=𝑀=160
Difference scheme (38), (40), (39)	0.088225	0.038586	0.01815	0.008818
Difference scheme (52), (40), (53)	0.017034	0.0020225	2.47×10^−4	3.08×10^−5