GHS_psdef/opt1
Matrix Representation of OPT1, part of condeep cylinder
| Name |
opt1 |
| Group |
GHS_psdef |
| Matrix ID |
1271 |
|
Num Rows
|
15,449 |
|
Num Cols
|
15,449 |
|
Nonzeros
|
1,930,655 |
|
Pattern Entries
|
1,930,655 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
2004 |
|
Author
|
C. Damhaug |
|
Editor
|
N. Gould, Y. Hu, J. Scott |
| Structural Rank |
15,449 |
| 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 |
1.613162e+02 |
| Minimum Singular Value |
2.193334e-98 |
| Condition Number |
7.354837e+99
|
| Rank |
3,442 |
| sprank(A)-rank(A) |
12,007 |
| Null Space Dimension |
12,007 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
