HB/bp_400
UNSYMMETRIC BASIS FROM LP PROBLEM BP
| Name |
bp_400 |
| Group |
HB |
| Matrix ID |
88 |
|
Num Rows
|
822 |
|
Num Cols
|
822 |
|
Nonzeros
|
4,028 |
|
Pattern Entries
|
4,028 |
|
Kind
|
Subsequent Optimization Problem |
|
Symmetric
|
No |
|
Date
|
1978 |
|
Author
|
M. Saunders |
|
Editor
|
A. Curtis, I. Duff, J. Reid |
| Structural Rank |
822 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
591 |
|
Strongly Connect Components
|
2 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
0.5% |
|
Numeric Symmetry
|
0% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
3.125877e+02 |
| Minimum Singular Value |
8.847187e-05 |
| Condition Number |
3.533187e+06
|
| Rank |
822 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
