Matrix properties
number of rows	1,521
number of columns	4,769
nonzeros	8,233
structural full rank?	yes
structural rank	1,521
# of blocks from dmperm	1
# strongly connected comp.	1
entries not in dmperm blocks	0
explicit zero entries	0
nonzero pattern symmetry	0%
numeric value symmetry	0%
type	real
structure	rectangular
Cholesky candidate?	no
positive definite?	no

author
editor	C. Meszaros
date	2004
kind	linear programming problem
2D/3D problem?	no

Additional fields	size and type
b	full 1521-by-1
c	full 4769-by-1
lo	full 4769-by-1
hi	full 4769-by-1
z0	full 1-by-1

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        

Ordering statistics:	AMD	METIS
nnz(V) for QR, upper bound nnz(L) for LU	1,851,477	1,851,473
nnz(R) for QR, upper bound nnz(U) for LU	263,217	263,217

Maintained by Tim Davis, last updated 05-Nov-2008.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.