Newman/karate
Karate club, from Wayne Zachary, 1977
| Name |
karate |
| Group |
Newman |
| Matrix ID |
2399 |
|
Num Rows
|
34 |
|
Num Cols
|
34 |
|
Nonzeros
|
156 |
|
Pattern Entries
|
156 |
|
Kind
|
Undirected Graph |
|
Symmetric
|
Yes |
|
Date
|
1977 |
|
Author
|
W. Zachary |
|
Editor
|
M. Newman |
| Structural Rank |
|
| Structural Rank Full |
|
|
Num Dmperm Blocks
|
|
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
6.725698e+00 |
| Minimum Singular Value |
5.065855e-18 |
| Condition Number |
1.327653e+18
|
| Rank |
24 |
| sprank(A)-rank(A) |
|
| Null Space Dimension |
10 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| Notes |
Network collection from M. Newman
http://www-personal.umich.edu/~mejn/netdata/
The graph "karate" contains the network of friendships between the 34
members of a karate club at a US university, as described by Wayne Zachary
in 1977. If you use these data in your work, please cite W. W. Zachary, An
information flow model for conflict and fission in small groups, Journal of
Anthropological Research 33, 452-473 (1977).
|
