MathWorks/Pd_rhs
Matrix problem X=A\B with many sparse right-hand-sides
Name |
Pd_rhs |
Group |
MathWorks |
Matrix ID |
1171 |
Num Rows
|
8,081 |
Num Cols
|
12,406 |
Nonzeros
|
6,323 |
Pattern Entries
|
6,323 |
Kind
|
Counter Example Problem |
Symmetric
|
No |
Date
|
2002 |
Author
|
P. Anderson |
Editor
|
T. Davis |
Structural Rank |
4,368 |
Structural Rank Full |
false |
Num Dmperm Blocks
|
2,872 |
Strongly Connect Components
|
14,549 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
0% |
Numeric Symmetry
|
0% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
1.355413e+05 |
Minimum Singular Value |
0 |
Condition Number |
Inf
|
Rank |
4,368 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
3,713 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|