=== Unnormalized, unweighted, undirected
2 -1 0 0 -1
-1 2 -1 0 0
0 -1 2 -1 0
0 0 -1 2 -1
-1 0 0 -1 2
===
2 -1 0 0 -1
-1 2 -1 0 0
0 -1 2 -1 0
0 0 -1 2 -1
-1 0 0 -1 2
===
2 -1 0 0 -1
-1 3 -2 0 0
0 -2 3 -1 0
0 0 -1 3 -2
-1 0 0 -2 3
=== Unnormalized, unweighted, directed
1 -1 0 0 0
0 1 -1 0 0
0 0 1 -1 0
0 0 0 1 -1
-1 0 0 0 1
===
1 -1 0 0 0
0 1 -1 0 0
0 0 1 -1 0
0 0 0 1 -1
-1 0 0 0 1
===
1 -1 0 0 0
0 2 -2 0 0
0 0 1 -1 0
0 0 0 2 -2
-1 0 0 0 1
=== Unnormalized, weighted, undirected
6 -1 0 0 -5
-1 3 -2 0 0
0 -2 5 -3 0
0 0 -3 7 -4
-5 0 0 -4 9
===
6 -1 0 0 -5
-1 3 -2 0 0
0 -2 5 -3 0
0 0 -3 7 -4
-5 0 0 -4 9
===
6 -1 0 0 -5
-1 6 -5 0 0
0 -5 8 -3 0
0 0 -3 10 -7
-5 0 0 -7 12
=== Unnormalized, weighted, directed
1 -1 0 0 0
0 2 -2 0 0
0 0 3 -3 0
0 0 0 4 -4
-5 0 0 0 5
===
1 -1 0 0 0
0 2 -2 0 0
0 0 3 -3 0
0 0 0 4 -4
-5 0 0 0 5
===
1 -1 0 0 0
0 5 -5 0 0
0 0 3 -3 0
0 0 0 7 -7
-5 0 0 0 5
=== Normalized, unweighted, undirected
OK
=== Normalized, unweighted, directed
OK
=== Normalized, weighted, undirected
OK
=== Normalized, weighted, directed
OK