Matrix properties
number of rows	6,927
number of columns	6,927
nonzeros	16,944
# strongly connected comp.	1,394
explicit zero entries	0
nonzero pattern symmetry	symmetric
numeric value symmetry	symmetric
type	binary
structure	symmetric
Cholesky candidate?	no
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 6927-by-45

Notes:

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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/.                                
------------------------------------------------------------------------------
 Erdos collaboration network:                                                 
 Erdos included, version 2002                                                 

SVD-based statistics:
norm(A)	25.8415
min(svd(A))	3.48651e-78
cond(A)	7.41186e+78
rank(A)	938
null space dimension	5,989
full numerical rank?	no
singular value gap	1.53025e+13

singular values (MAT file):	click here
SVD method used:	s = svd (full (A)) ;
status:	ok

For a description of the statistics displayed above, click here.

Maintained by Tim Davis, last updated 12-Mar-2014.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.