JGD_Homology/n4c6-b5

Simplicial complexes from Homology from Volkmar Welker.
Name n4c6-b5
Group JGD_Homology
Matrix ID 2128
Num Rows 51,813
Num Cols 20,058
Nonzeros 310,878
Pattern Entries 310,878
Kind Combinatorial Problem
Symmetric No
Date 2008
Author V. Welker
Editor J.-G. Dumas
Structural Rank 20,058
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 0
Condition Number Inf
Rank 15,228
sprank(A)-rank(A) 4,830
Null Space Dimension 4,830
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.b5.51813x20058.sms