HB/blckhole
S CONNECTIVITY STRUCTURE OF A GEODESIC DOME ON A COARSE BASE
| Name |
blckhole |
| Group |
HB |
| Matrix ID |
81 |
|
Num Rows
|
2,132 |
|
Num Cols
|
2,132 |
|
Nonzeros
|
14,872 |
|
Pattern Entries
|
14,872 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
1983 |
|
Author
|
E. Meyer |
|
Editor
|
I. Duff, R. Grimes, J. Lewis |
| Structural Rank |
2,132 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
12 |
|
Strongly Connect Components
|
12 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
8.231003e+00 |
| Minimum Singular Value |
1.975370e-03 |
| Condition Number |
4.166815e+03
|
| Rank |
2,132 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
