JGD_Homology/n4c5-b7

Simplicial complexes from Homology from Volkmar Welker.
Name n4c5-b7
Group JGD_Homology
Matrix ID 2115
Num Rows 3,635
Num Cols 4,735
Nonzeros 29,080
Pattern Entries 29,080
Kind Combinatorial Problem
Symmetric No
Date 2008
Author V. Welker
Editor J.-G. Dumas
Structural Rank 3,635
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 3.872983e+00
Minimum Singular Value 3.129879e-16
Condition Number 1.237423e+16
Rank 2,261
sprank(A)-rank(A) 1,374
Null Space Dimension 1,374
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/n4c5.b7.3635x4735.sms