JGD_Franz/Franz1

Cohomology of various rings, from Matthias Franz, Univ. Konstanz, Germany
Name Franz1
Group JGD_Franz
Matrix ID 1954
Num Rows 2,240
Num Cols 768
Nonzeros 5,120
Pattern Entries 5,120
Kind Combinatorial Problem
Symmetric No
Date 2008
Author M. Franz
Editor J.-G. Dumas
Structural Rank 768
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 4.179007e+00
Minimum Singular Value 1.523734e-15
Condition Number 2.742609e+15
Rank 755
sprank(A)-rank(A) 13
Null Space Dimension 13
Full Numerical Rank? no
Download Singular Values MATLAB
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Notes
Cohomology of various rings, from Matthias Franz, Univ. Konstanz, Germany
From Jean-Guillaume Dumas' Sparse Integer Matrix Collection,             
http://ljk.imag.fr/membres/Jean-Guillaume.Dumas/simc.html                
                                                                         
Filename in JGD collection: Franz/big1sparse