JGD_SPG/EX1

Symmetric powers of graphs from Gordon Royle, Univ Western Australia
Name EX1
Group JGD_SPG
Matrix ID 2195
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 1.039566e-16
Condition Number 1.523253e+17
Rank 547
sprank(A)-rank(A) 13
Null Space Dimension 13
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/EX1.sms