Meszaros/aa4

linear programming problem, C. Meszaros test set
Name aa4
Group Meszaros
Matrix ID 1682
Num Rows 426
Num Cols 7,195
Nonzeros 52,121
Pattern Entries 52,121
Kind Linear Programming Problem
Symmetric No
Date 2004
Author
Editor C. Meszaros
Structural Rank 426
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 binary
SVD Statistics
Matrix Norm 4.154547e+01
Minimum Singular Value 4.477660e-16
Condition Number 9.278387e+16
Rank 367
sprank(A)-rank(A) 59
Null Space Dimension 59
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