GHS_psdef/finance256
Gould, Hu, & Scott: linear programming problem from Pothen & Kumfert
| Name |
finance256 |
| Group |
GHS_psdef |
| Matrix ID |
1261 |
|
Num Rows
|
37,376 |
|
Num Cols
|
37,376 |
|
Nonzeros
|
298,496 |
|
Pattern Entries
|
298,496 |
|
Kind
|
Optimization Problem |
|
Symmetric
|
Yes |
|
Date
|
1997 |
|
Author
|
A. Berger, J. Mulvey, E. Rothberg, R. Vanderbei |
|
Editor
|
N. Gould, Y. Hu, J. Scott |
| Structural Rank |
37,376 |
| 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 |
1.374156e+01 |
| Minimum Singular Value |
2.425201e-23 |
| Condition Number |
5.666152e+23
|
| Rank |
35,822 |
| sprank(A)-rank(A) |
1,554 |
| Null Space Dimension |
1,554 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
