JGD_SPG/EX2

Symmetric powers of graphs from Gordon Royle, Univ Western Australia
Name EX2
Group JGD_SPG
Matrix ID 2196
Num Rows 560
Num Cols 560
Nonzeros 8,736
Pattern Entries 8,736
Kind Combinatorial Problem
Symmetric Yes
Date 2008
Author G. Royle
Editor J.-G. Dumas
Structural Rank 560
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate no
Positive Definite no
Type binary
SVD Statistics
Matrix Norm 1.583522e+01
Minimum Singular Value 5.329174e-17
Condition Number 2.971422e+17
Rank 553
sprank(A)-rank(A) 7
Null Space Dimension 7
Full Numerical Rank? no
Download Singular Values MATLAB
Download MATLAB Rutherford Boeing Matrix Market
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/EX2.sms