Iterative Method for Solving the Second Boundary Value Problem for Biharmonic-Type Equation

Table 8

Convergence of the method in Example 4.5 for grid 129×129.

𝑏	𝑎=0		𝑎=0.5		𝑎=1
	𝑘	error	𝑘	error	𝑘	error
0.3	5	7.7939𝑒−9	5	3.7094𝑒−9	5	1.9437𝑒−9
0.7	6	1.7679𝑒−8	5	2.3901𝑒−7	5	1.2630𝑒−7
1.0	6	1.3935𝑒−7	6	5.8579𝑒−8	6	2.7476𝑒−8
1.5	7	1.0231𝑒−7	7	3.8009𝑒−8	6	2.8474𝑒−7
2.0	7	6.6338𝑒−7	7	2.5109𝑒−7	7	1.0701𝑒−7
2.5	8	3.1968𝑒−7	8	1.0773𝑒−7	7	4.5744𝑒−7