Bai/rdb2048
REACTION-DIFFUSION BRUSSELATOR MODEL
| Name |
rdb2048 |
| Group |
Bai |
| Matrix ID |
331 |
|
Num Rows
|
2,048 |
|
Num Cols
|
2,048 |
|
Nonzeros
|
12,032 |
|
Pattern Entries
|
12,032 |
|
Kind
|
Computational Fluid Dynamics Problem |
|
Symmetric
|
No |
|
Date
|
1994 |
|
Author
|
K. Meerbergen |
|
Editor
|
Z. Bai, D. Day, J. Demmel, J. Dongarra |
| Structural Rank |
2,048 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
79.5% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
7.376489e+01 |
| Minimum Singular Value |
1.009221e-01 |
| Condition Number |
7.309092e+02
|
| Rank |
2,048 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
| Download |
MATLAB
Rutherford Boeing
Matrix Market
|
| Notes |
This matrix (Bai/rdb2048) is the same as the original NEP RDB2048L
matrix (as of Nov 2006). Either the name changed since 1996 and
the L was added in the NEP collection, or the L was dropped when
the matrix as added to the UF Sparse Matrix Collection in 1996.
The name cannot be corrected here without disrupting the UF Sparse
Matrix Collection. To make matters worse, there is now a matrix
in the NEP collection with the name RDB2048, as of Nov 2006. The
NEP RDB2048 matrix was added to this collection in Nov 2006, as
Bai/rdb2038_noL matrix.
|
