Matrix properties
number of rows	2,541
number of columns	31,022
nonzeros	62,044
structural full rank?	yes
structural rank	2,541
# of blocks from dmperm	163
# strongly connected comp.	131
entries not in dmperm blocks	162
explicit zero entries	0
nonzero pattern symmetry	0%
numeric value symmetry	0%
type	binary
structure	rectangular
Cholesky candidate?	no
positive definite?	no

author	D. Bates
editor	T. Davis
date	2006
kind	statistical/mathematical problem
2D/3D problem?	no

Ordering statistics:	AMD	METIS	DMPERM+
nnz(V) for QR, upper bound nnz(L) for LU	73,918	59,634	59,634
nnz(R) for QR, upper bound nnz(U) for LU	4,951	4,951	4,951

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.