Meszaros/dbir2

linear programming problem, C. Meszaros test set
Name dbir2
Group Meszaros
Matrix ID 1706
Num Rows 18,906
Num Cols 45,877
Nonzeros 1,158,159
Pattern Entries 1,158,159
Kind Linear Programming Problem
Symmetric No
Date 2004
Author
Editor C. Meszaros
Structural Rank 18,904
Structural Rank Full false
Num Dmperm Blocks 29
Strongly Connect Components 2,366
Num Explicit Zeros 0
Pattern Symmetry 0%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type integer
SVD Statistics
Matrix Norm 2.562482e+06
Minimum Singular Value 0
Condition Number Inf
Rank 18,904
sprank(A)-rank(A) 0
Null Space Dimension 2
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