JGD_Franz/Franz4
Cohomology of various rings, from Matthias Franz, Univ. Konstanz, Germany
Name |
Franz4 |
Group |
JGD_Franz |
Matrix ID |
1957 |
Num Rows
|
6,784 |
Num Cols
|
5,252 |
Nonzeros
|
46,528 |
Pattern Entries
|
46,528 |
Kind
|
Combinatorial Problem |
Symmetric
|
No |
Date
|
2008 |
Author
|
M. Franz |
Editor
|
J.-G. Dumas |
Structural Rank |
5,252 |
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 |
8.602325e+00 |
Minimum Singular Value |
3.947842e-17 |
Condition Number |
2.178995e+17
|
Rank |
3,297 |
sprank(A)-rank(A) |
1,955 |
Null Space Dimension |
1,955 |
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/6784x5252
|