JGD_Homology/n4c6-b4

Simplicial complexes from Homology from Volkmar Welker.
Name n4c6-b4
Group JGD_Homology
Matrix ID 2127
Num Rows 20,058
Num Cols 5,970
Nonzeros 100,290
Pattern Entries 100,290
Kind Combinatorial Problem
Symmetric No
Date 2008
Author V. Welker
Editor J.-G. Dumas
Structural Rank 5,970
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 0%
Numeric Symmetry 0%
Cholesky Candidate no
Positive Definite no
Type integer
SVD Statistics
Matrix Norm 4.582576e+00
Minimum Singular Value 5.983380e-16
Condition Number 7.658841e+15
Rank 4,830
sprank(A)-rank(A) 1,140
Null Space Dimension 1,140
Full Numerical Rank? no
Download Singular Values MATLAB
Download MATLAB Rutherford Boeing Matrix Market
Notes 
Simplicial complexes from Homology from Volkmar Welker.     
From Jean-Guillaume Dumas' Sparse Integer Matrix Collection,
http://ljk.imag.fr/membres/Jean-Guillaume.Dumas/simc.html   
                                                            
http://www.mathematik.uni-marburg.de/~welker/               
                                                            
Filename in JGD collection: Homology/n4c6.b4.20058x5970.sms