HB/hor_131
UNSYMMETRIC MATRIX NNC R.P.HORNBY JANUARY,1983.
| Name |
hor_131 |
| Group |
HB |
| Matrix ID |
167 |
|
Num Rows
|
434 |
|
Num Cols
|
434 |
|
Nonzeros
|
4,182 |
|
Pattern Entries
|
4,710 |
|
Kind
|
Directed Weighted Graph |
|
Symmetric
|
No |
|
Date
|
1983 |
|
Author
|
R. Hornby |
|
Editor
|
I. Duff, R. Grimes, J. Lewis |
| Structural Rank |
|
| Structural Rank Full |
|
|
Num Dmperm Blocks
|
|
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
528 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
37.4% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
6.607441e-01 |
| Minimum Singular Value |
1.533813e-05 |
| Condition Number |
4.307853e+04
|
| Rank |
434 |
| sprank(A)-rank(A) |
|
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|