Meszaros/gen4
Problematic linear programming problem, Meszaros test set
Name |
gen4 |
Group |
Meszaros |
Matrix ID |
1788 |
Num Rows
|
1,537 |
Num Cols
|
4,298 |
Nonzeros
|
107,103 |
Pattern Entries
|
107,103 |
Kind
|
Linear Programming Problem |
Symmetric
|
No |
Date
|
2004 |
Author
|
|
Editor
|
C. Meszaros |
Structural Rank |
1,537 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
1 |
Strongly Connect Components
|
1 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
0% |
Numeric Symmetry
|
0% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
5.543465e+01 |
Minimum Singular Value |
1.414214e+00 |
Condition Number |
3.919821e+01
|
Rank |
1,537 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
0 |
Full Numerical Rank? |
yes |
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
|