JGD_BIBD/bibd_17_3
Balanced Incomplete Block Design from Mark Giesbrecht, Univ. of Waterloo
| Name | bibd_17_3 | 
| Group | JGD_BIBD | 
| Matrix ID | 1930 | 
| Num Rows | 136 | 
| Num Cols | 680 | 
| Nonzeros | 2,040 | 
| Pattern Entries | 2,040 | 
| Kind | Combinatorial Problem | 
| Symmetric | No | 
| Date | 2008 | 
| Author | M. Giesbrecht | 
| Editor | J.-G. Dumas | 
 
 
| Structural Rank | 136 | 
| 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 | 6.708204e+00 | 
| Minimum Singular Value | 3.605551e+00 | 
| Condition Number | 1.860521e+00 | 
| Rank | 136 | 
| 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.17.3.sms |