JGD_BIBD/bibd_9_3

Balanced Incomplete Block Design from Mark Giesbrecht, Univ. of Waterloo
Name bibd_9_3
Group JGD_BIBD
Matrix ID 1920
Num Rows 36
Num Cols 84
Nonzeros 252
Pattern Entries 252
Kind Combinatorial Problem
Symmetric No
Date 2008
Author M. Giesbrecht
Editor J.-G. Dumas
Structural Rank 36
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 binary
SVD Statistics
Matrix Norm 4.582576e+00
Minimum Singular Value 2.236068e+00
Condition Number 2.049390e+00
Rank 36
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
Download Singular Values MATLAB
Download MATLAB Rutherford Boeing Matrix Market
Notes
Balanced Incomplete Block Design from Mark Giesbrecht, Univ. of Waterloo
From Jean-Guillaume Dumas' Sparse Integer Matrix Collection,            
http://ljk.imag.fr/membres/Jean-Guillaume.Dumas/simc.html               
                                                                        
Filename in JGD collection: BIBD/bibd.9.3.sms