Gset/G33
2D torus, 25-by-80, uniformly random +1/-1 entries
| Name |
G33 |
| Group |
Gset |
| Matrix ID |
495 |
|
Num Rows
|
2,000 |
|
Num Cols
|
2,000 |
|
Nonzeros
|
8,000 |
|
Pattern Entries
|
8,000 |
|
Kind
|
Undirected Weighted Random Graph |
|
Symmetric
|
Yes |
|
Date
|
1996 |
|
Author
|
C. Helmberg |
|
Editor
|
Y. Ye |
| 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
|
integer |
| SVD Statistics |
| Matrix Norm |
3.487011e+00 |
| Minimum Singular Value |
1.091949e-03 |
| Condition Number |
3.193384e+03
|
| Rank |
2,000 |
| sprank(A)-rank(A) |
|
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
