GHS_indef/qpband
QPBAND augmented system - 20000 rows
| Name |
qpband |
| Group |
GHS_indef |
| Matrix ID |
1427 |
|
Num Rows
|
20,000 |
|
Num Cols
|
20,000 |
|
Nonzeros
|
45,000 |
|
Pattern Entries
|
45,000 |
|
Kind
|
Optimization Problem |
|
Symmetric
|
Yes |
|
Date
|
1999 |
|
Author
|
N. Gould |
|
Editor
|
N. Gould |
| Structural Rank |
20,000 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
5,000 |
|
Strongly Connect Components
|
5,000 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
2.769106e+00 |
| Minimum Singular Value |
4.302140e-01 |
| Condition Number |
6.436577e+00
|
| Rank |
20,000 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
