Adaptive Mixed Finite Element Methods for Parabolic Optimal Control Problems

Table 1

Numerical results on uniform and adaptive meshes.

	On uniform mesh			On adaptive mesh
	𝑢	𝑦	𝑧	𝑢	𝑦	𝑧
Nodes	8097	8097	8097	1089	1393	1393
Sides	23968	23968	23968	2825	3819	3819
Elements	15872	15872	15872	6348	2423	2423
Dofs	15872	15872	15872	6348	2423	2423
Total 𝐿^2 error	6.915e−03	4.065e−3	4.018𝑒−3	6.527e−03	4.346e−3	4.323e−3