Meszaros/aa6

linear programming problem, C. Meszaros test set
Name aa6
Group Meszaros
Matrix ID 1684
Num Rows 646
Num Cols 7,292
Nonzeros 51,728
Pattern Entries 51,728
Kind Linear Programming Problem
Symmetric No
Date 2004
Author
Editor C. Meszaros
Structural Rank 646
Structural Rank Full true
Num Dmperm Blocks 2
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 0%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type binary
SVD Statistics
Matrix Norm 3.761399e+01
Minimum Singular Value 1.683260e-16
Condition Number 2.234592e+17
Rank 563
sprank(A)-rank(A) 83
Null Space Dimension 83
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