JGD_Homology/ch7-9-b2
Simplicial complexes from Homology from Volkmar Welker.
| Name | ch7-9-b2 | 
| Group | JGD_Homology | 
| Matrix ID | 2036 | 
| Num Rows | 17,640 | 
| Num Cols | 1,512 | 
| Nonzeros | 52,920 | 
| Pattern Entries | 52,920 | 
| Kind | Combinatorial Problem | 
| Symmetric | No | 
| Date | 2008 | 
| Author | V. Welker | 
| Editor | J.-G. Dumas | 
 
 
| Structural Rank | 1,512 | 
| 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 | 7.000000e+00 | 
| Minimum Singular Value | 4.354134e-15 | 
| Condition Number | 1.607667e+15 | 
| Rank | 1,450 | 
| sprank(A)-rank(A) | 62 | 
| Null Space Dimension | 62 | 
| 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/ch7-9.b2.17640x1512.sms |