HB/lns_511
UNSYMMETRIC MATRIX FROM I.P.J. DEC 1982. LINEARIZED N-S. COMPRESSIBLE
| Name |
lns_511 |
| Group |
HB |
| Matrix ID |
190 |
|
Num Rows
|
511 |
|
Num Cols
|
511 |
|
Nonzeros
|
2,796 |
|
Pattern Entries
|
2,796 |
|
Kind
|
Computational Fluid Dynamics Problem |
|
Symmetric
|
No |
|
Date
|
1982 |
|
Author
|
I. Jones |
|
Editor
|
I. Duff, R. Grimes, J. Lewis |
| Structural Rank |
511 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
135 |
|
Strongly Connect Components
|
98 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
79.9% |
|
Numeric Symmetry
|
2% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
4.205522e+10 |
| Minimum Singular Value |
1.263206e-05 |
| Condition Number |
3.329243e+15
|
| Rank |
469 |
| sprank(A)-rank(A) |
42 |
| Null Space Dimension |
42 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
