Matrix properties
number of rows	4,470
number of columns	4,470
nonzeros	12,731
# strongly connected comp.	4,459
explicit zero entries	0
nonzero pattern symmetry	0%
numeric value symmetry	0%
type	binary
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	E. Garfield
editor	V. Batagelj, A. Mrvar
date	2002
kind	directed graph
2D/3D problem?	no

Additional fields	size and type
pubyear	full 4470-by-1
gcs	full 4470-by-1
nodename	full 4470-by-23

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/.                                
------------------------------------------------------------------------------
 Articles with topic "self-organizing maps" or references to "Kohonen T",     
Tue Jun 18 10:39:51 2002                                                      

SVD-based statistics:
norm(A)	29.2954
min(svd(A))	0
cond(A)	Inf
rank(A)	1,652
null space dimension	2,818
full numerical rank?	no
singular value gap	2.82413e+13

singular values (MAT file):	click here
SVD method used:	s = piro_band_svd (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.