Matrix properties
number of rows	472
number of columns	472
nonzeros	2,628
structural full rank?	no
structural rank	414
# of blocks from dmperm	230
# strongly connected comp.	42
explicit zero entries	0
nonzero pattern symmetry	symmetric
numeric value symmetry	symmetric
type	binary
structure	symmetric
Cholesky candidate?	yes
positive definite?	no

author	J. Grossman, P. Iain, R. Castro
editor	V. Batagelj
date	2006
kind	undirected graph
2D/3D problem?	no

Additional fields	size and type
nodename	full 472-by-33

Notes:

------------------------------------------------------------------------------
Pajek network converted to sparse adjacency matrix for inclusion in UF sparse 
matrix collection, Tim Davis.  For Pajek datasets, See V. Batagelj & A. Mrvar,
http://vlado.fmf.uni-lj.si/pub/networks/data/.                                
------------------------------------------------------------------------------

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	4,400	4,973
Cholesky flop count	1.2e+05	1.5e+05
nnz(L+U), no partial pivoting	8,328	9,474
nnz(V) for QR, upper bound nnz(L) for LU	10,914	9,179
nnz(R) for QR, upper bound nnz(U) for LU	22,181	23,260

Maintained by Tim Davis, last updated 04-May-2008.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.