Efficient Alternative for Construction of the Linear System Stemming from Numerical Solution of Heat Transfer Problems via FEM

Table 3

Connectivity matrix constructed to present for each node which elements that are contained.

Nodes	Elements
	1	2	3	4	5	6	7	8
1	1	0	0	0	0	0	0	0
2	1	2	0	0	0	0	0	0
3	2	3	0	0	0	0	0	0
6	1	2	4	5	0	0	0	0
18	1	2	4	5	7	8	10	11