Matrix properties
number of rows	300
number of columns	300
nonzeros	592
structural full rank?	yes
structural rank	300
# of blocks from dmperm	300
# strongly connected comp.	8
entries not in dmperm blocks	292
explicit zero entries	0
nonzero pattern symmetry	3%
numeric value symmetry	0%
type	integer
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	G. Royle
editor	J.-G. Dumas
date	2008
kind	combinatorial problem
2D/3D problem?	no

Notes:

Symmetric powers of graphs from Gordon Royle, Univ Western Australia
From Jean-Guillaume Dumas' Sparse Integer Matrix Collection,        
http://ljk.imag.fr/membres/Jean-Guillaume.Dumas/simc.html           
                                                                    
http://www.csse.uwa.edu.au/~gordon/sympower.html                    
                                                                    
Filename in JGD collection: SPG/08blocks.sms                        

Ordering statistics:	AMD	METIS	DMPERM+
nnz(chol(P*(A+A'+s*I)*P'))	876	1,088	300
Cholesky flop count	2.6e+03	4.1e+03	3.0e+02
nnz(L+U), no partial pivoting	1,452	1,876	592
nnz(V) for QR, upper bound nnz(L) for LU	300	300	300
nnz(R) for QR, upper bound nnz(U) for LU	5,776	5,776	592

Maintained by Tim Davis, last updated 30-Sep-2008.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.