JGD_Homology/n4c6-b12
Simplicial complexes from Homology from Volkmar Welker.
| Name |
n4c6-b12 |
| Group |
JGD_Homology |
| Matrix ID |
2121 |
|
Num Rows
|
25,605 |
|
Num Cols
|
69,235 |
|
Nonzeros
|
332,865 |
|
Pattern Entries
|
332,865 |
|
Kind
|
Combinatorial Problem |
|
Symmetric
|
No |
|
Date
|
2008 |
|
Author
|
V. Welker |
|
Editor
|
J.-G. Dumas |
| Structural Rank |
25,605 |
| 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 |
4.582576e+00 |
| Minimum Singular Value |
1.487798e-304 |
| Condition Number |
3.080105e+304
|
| Rank |
20,165 |
| sprank(A)-rank(A) |
5,440 |
| Null Space Dimension |
5,440 |
| 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/n4c6.b12.25605x69235.sms
|
