FIDAP/ex26
TEST MATRIX FROM FIDAP: EX26.MAT
Name |
ex26 |
Group |
FIDAP |
Matrix ID |
423 |
Num Rows
|
2,163 |
Num Cols
|
2,163 |
Nonzeros
|
74,464 |
Pattern Entries
|
94,033 |
Kind
|
Computational Fluid Dynamics Problem |
Symmetric
|
No |
Date
|
1994 |
Author
|
A. Baggag, Y. Saad |
Editor
|
A. Baggag, Y. Saad |
Structural Rank |
2,163 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
2 |
Strongly Connect Components
|
2 |
Num Explicit Zeros
|
19,569 |
Pattern Symmetry
|
100% |
Numeric Symmetry
|
73.3% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
8.156526e+01 |
Minimum Singular Value |
4.186719e-17 |
Condition Number |
1.948190e+18
|
Rank |
2,162 |
sprank(A)-rank(A) |
1 |
Null Space Dimension |
1 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|