1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
# dfs() deprecated arguments
Code
d <- dfs(g, root = 2, unreachable = FALSE, neimode = "out", father = TRUE)
Condition
Error:
! The `neimode` argument of `dfs()` was deprecated in igraph 1.3.0 and is now defunct.
i Please use the `mode` argument instead.
# bfs() works
Code
g <- graph_from_literal(a - +b - +c, z - +a, d)
bfs(g, root = 2, mode = "out", unreachable = FALSE, order = TRUE, rank = TRUE,
parent = TRUE, pred = TRUE, succ = TRUE, dist = TRUE)
Output
$root
[1] 2
$mode
[1] "out"
$order
+ 2/5 vertices, named:
[1] b c
$rank
a b c z d
0 1 2 0 0
$parent
+ 5/5 vertices, named:
a b c z d
<NA> <NA> b <NA> <NA>
$pred
+ 5/5 vertices, named:
a b c z d
<NA> <NA> b <NA> <NA>
$succ
+ 5/5 vertices, named:
a b c z d
<NA> c <NA> <NA> <NA>
$dist
a b c z d
-1 0 1 -1 -1
$neimode
[1] "out"
$father
+ 5/5 vertices, named:
a b c z d
<NA> <NA> b <NA> <NA>
# bfs() deprecated arguments
Code
b <- bfs(g, root = 2, neimode = "out", unreachable = FALSE, order = TRUE, rank = TRUE,
father = TRUE, pred = TRUE, succ = TRUE, dist = TRUE)
Condition
Error:
! The `neimode` argument of `bfs()` was deprecated in igraph 1.3.0 and is now defunct.
i Please use the `mode` argument instead.
# laplacian_matrix() works
Code
laplacian_matrix(Ai, normalization = "unnormalized")
Output
3 x 3 sparse Matrix of class "dgCMatrix"
[1,] 410 -210 -200
[2,] -210 590 -380
[3,] -200 -380 580
|
