JGD_SPG/EX1
Symmetric powers of graphs from Gordon Royle, Univ Western Australia
Name |
EX1 |
Group |
JGD_SPG |
Matrix ID |
2195 |
Num Rows
|
560 |
Num Cols
|
560 |
Nonzeros
|
8,736 |
Pattern Entries
|
8,736 |
Kind
|
Combinatorial Problem |
Symmetric
|
Yes |
Date
|
2008 |
Author
|
G. Royle |
Editor
|
J.-G. Dumas |
Structural Rank |
560 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
1 |
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 |
1.583522e+01 |
Minimum Singular Value |
1.039566e-16 |
Condition Number |
1.523253e+17
|
Rank |
547 |
sprank(A)-rank(A) |
13 |
Null Space Dimension |
13 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|
Download |
MATLAB
Rutherford Boeing
Matrix Market
|
Notes |
Symmetric powers of graphs from Gordon Royle, Univ Western Australia
From Jean-Guillaume Dumas' Sparse Integer Matrix Collection,
http://ljk.imag.fr/membres/Jean-Guillaume.Dumas/simc.html
http://www.csse.uwa.edu.au/~gordon/sympower.html
Filename in JGD collection: SPG/EX1.sms
|