JGD_Franz/Franz2
Cohomology of various rings, from Matthias Franz, Univ. Konstanz, Germany
| Name |
Franz2 |
| Group |
JGD_Franz |
| Matrix ID |
1955 |
|
Num Rows
|
4,032 |
|
Num Cols
|
4,480 |
|
Nonzeros
|
21,504 |
|
Pattern Entries
|
21,504 |
|
Kind
|
Combinatorial Problem |
|
Symmetric
|
No |
|
Date
|
2008 |
|
Author
|
M. Franz |
|
Editor
|
J.-G. Dumas |
| Structural Rank |
4,032 |
| 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 |
4.475766e+00 |
| Minimum Singular Value |
3.691887e-16 |
| Condition Number |
1.212325e+16
|
| Rank |
2,631 |
| sprank(A)-rank(A) |
1,401 |
| Null Space Dimension |
1,401 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| 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/big2sparse
|
