Meszaros/nsir
LP sequence: nsir1 and nsir2
| Name |
nsir |
| Group |
Meszaros |
| Matrix ID |
1821 |
|
Num Rows
|
4,453 |
|
Num Cols
|
10,057 |
|
Nonzeros
|
154,939 |
|
Pattern Entries
|
154,939 |
|
Kind
|
Linear Programming Problem Sequence |
|
Symmetric
|
No |
|
Date
|
2004 |
|
Author
|
|
|
Editor
|
C. Meszaros |
| Structural Rank |
4,453 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
4 |
|
Strongly Connect Components
|
4 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
0% |
|
Numeric Symmetry
|
0% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
integer |
| SVD Statistics |
| Matrix Norm |
1.007864e+07 |
| Minimum Singular Value |
5.040161e-06 |
| Condition Number |
1.999666e+12
|
| Rank |
4,391 |
| sprank(A)-rank(A) |
62 |
| Null Space Dimension |
62 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| Notes |
http://www.sztaki.hu/~meszaros/public_ftp/lptestset
Converted to standard form via Resende and Veiga's mpsrd:
minimize c'*x, subject to A*x=b and lo <= x <= hi
|
