GHS_psdef/pds10
Gould, Hu, & Scott: Netlib PDS10 problem, A*A' (see LPnetlib/lp_pds_10)
| Name |
pds10 |
| Group |
GHS_psdef |
| Matrix ID |
1272 |
|
Num Rows
|
16,558 |
|
Num Cols
|
16,558 |
|
Nonzeros
|
149,658 |
|
Pattern Entries
|
149,658 |
|
Kind
|
Optimization Problem |
|
Symmetric
|
Yes |
|
Date
|
2004 |
|
Author
|
J. Kennington |
|
Editor
|
G. Kumfert, A. Pothen |
| Structural Rank |
16,558 |
| 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 |
1.703347e+01 |
| Minimum Singular Value |
2.225135e-18 |
| Condition Number |
7.655027e+18
|
| Rank |
16,519 |
| sprank(A)-rank(A) |
39 |
| Null Space Dimension |
39 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
