HB/gent113
UNSYMMETRIC PATTERN SUPPLIED BY MORVEN GENTLEMAN, SUMMER 1973
| Name |
gent113 |
| Group |
HB |
| Matrix ID |
158 |
|
Num Rows
|
113 |
|
Num Cols
|
113 |
|
Nonzeros
|
655 |
|
Pattern Entries
|
655 |
|
Kind
|
Statistical/Mathematical Problem |
|
Symmetric
|
No |
|
Date
|
1973 |
|
Author
|
W. Gentleman |
|
Editor
|
A. Curtis, I. Duff, J. Reid |
| Structural Rank |
113 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
18 |
|
Strongly Connect Components
|
18 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
5.7% |
|
Numeric Symmetry
|
5.7% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
1.131916e+01 |
| Minimum Singular Value |
1.909300e-17 |
| Condition Number |
5.928437e+17
|
| Rank |
107 |
| sprank(A)-rank(A) |
6 |
| Null Space Dimension |
6 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|