JGD_Homology/n3c4-b2

Simplicial complexes from Homology from Volkmar Welker.
Name n3c4-b2
Group JGD_Homology
Matrix ID 2086
Num Rows 20
Num Cols 15
Nonzeros 60
Pattern Entries 60
Kind Combinatorial Problem
Symmetric No
Date 2008
Author V. Welker
Editor J.-G. Dumas
Structural Rank 15
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 2.449490e+00
Minimum Singular Value 1.291477e-16
Condition Number 1.896657e+16
Rank 10
sprank(A)-rank(A) 5
Null Space Dimension 5
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/n3c4.b2.20x15.sms