JGD_Homology/ch6-6-b4

Simplicial complexes from Homology from Volkmar Welker.
Name ch6-6-b4
Group JGD_Homology
Matrix ID 2020
Num Rows 4,320
Num Cols 5,400
Nonzeros 21,600
Pattern Entries 21,600
Kind Combinatorial Problem
Symmetric No
Date 2008
Author V. Welker
Editor J.-G. Dumas
Structural Rank 4,320
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 3.464102e+00
Minimum Singular Value 9.737403e-23
Condition Number 3.557521e+22
Rank 3,390
sprank(A)-rank(A) 930
Null Space Dimension 930
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/ch6-6.b4.4320x5400.sms