JGD_Homology/ch7-6-b4

Simplicial complexes from Homology from Volkmar Welker.
Name ch7-6-b4
Group JGD_Homology
Matrix ID 2025
Num Rows 15,120
Num Cols 12,600
Nonzeros 75,600
Pattern Entries 75,600
Kind Combinatorial Problem
Symmetric No
Date 2008
Author V. Welker
Editor J.-G. Dumas
Structural Rank 12,600
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 4.242641e+00
Minimum Singular Value 6.269408e-38
Condition Number 6.767211e+37
Rank 8,989
sprank(A)-rank(A) 3,611
Null Space Dimension 3,611
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/ch7-6.b4.15120x12600.sms