HB/ash292
SYMMETRIC PATTERN OF NORMAL MATRIX OF U.K. SURVEY. ASHKENAZI, 1974
| Name |
ash292 |
| Group |
HB |
| Matrix ID |
8 |
|
Num Rows
|
292 |
|
Num Cols
|
292 |
|
Nonzeros
|
2,208 |
|
Pattern Entries
|
2,208 |
|
Kind
|
Least Squares Problem |
|
Symmetric
|
Yes |
|
Date
|
1974 |
|
Author
|
V. Askenazi |
|
Editor
|
A. Curtis, I. Duff, J. Reid |
| Structural Rank |
292 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
9.152221e+00 |
| Minimum Singular Value |
7.717297e-18 |
| Condition Number |
1.185936e+18
|
| Rank |
289 |
| sprank(A)-rank(A) |
3 |
| Null Space Dimension |
3 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
