Matrix properties
number of rows	115
number of columns	115
nonzeros	1,226
# strongly connected comp.	1
explicit zero entries	0
nonzero pattern symmetry	symmetric
numeric value symmetry	symmetric
type	integer
structure	symmetric
Cholesky candidate?	no
positive definite?	no

author	M. Girvan, M. Newman
editor	M. Newman
date	2002
kind	undirected multigraph
2D/3D problem?	no

Additional fields	size and type
nodename	full 115-by-20
nodevalue	full 115-by-1

Notes:

Network collection from M. Newman                                        
http://www-personal.umich.edu/~mejn/netdata/                             
                                                                         
The graph football contains the network of American football games       
between Division IA colleges during regular season Fall 2000, as compiled
by M. Girvan and M. Newman.  The nodes have values that indicate to which
conferences they belong.  The values are as follows:                     
                                                                         
  0 = Atlantic Coast                                                     
  1 = Big East                                                           
  2 = Big Ten                                                            
  3 = Big Twelve                                                         
  4 = Conference USA                                                     
  5 = Independents                                                       
  6 = Mid-American                                                       
  7 = Mountain West                                                      
  8 = Pacific Ten                                                        
  9 = Southeastern                                                       
 10 = Sun Belt                                                           
 11 = Western Athletic                                                   
                                                                         
If you make use of these data, please cite M. Girvan and M. E. J. Newman,
Community structure in social and biological networks,                   
Proc. Natl. Acad. Sci. USA 99, 7821-7826 (2002).                         

SVD-based statistics:
norm(A)	10.833
min(svd(A))	0.0290007
cond(A)	373.543
rank(A)	115
null space dimension	0
full numerical rank?	yes

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.