HB/str_400
UNSYMMETRIC BASIS FROM LP PROBLEM STAIR
| Name |
str_400 |
| Group |
HB |
| Matrix ID |
256 |
|
Num Rows
|
363 |
|
Num Cols
|
363 |
|
Nonzeros
|
3,157 |
|
Pattern Entries
|
3,157 |
|
Kind
|
Subsequent Optimization Problem |
|
Symmetric
|
No |
|
Date
|
1978 |
|
Author
|
M. Saunders |
|
Editor
|
A. Curtis, I. Duff, J. Reid |
| Structural Rank |
363 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
203 |
|
Strongly Connect Components
|
2 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
2% |
|
Numeric Symmetry
|
0% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
1.460877e+01 |
| Minimum Singular Value |
2.271724e-03 |
| Condition Number |
6.430698e+03
|
| Rank |
363 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
