MathWorks/Pd
Matrix problem X=A\B with many sparse right-hand-sides
| Name |
Pd |
| Group |
MathWorks |
| Matrix ID |
1170 |
|
Num Rows
|
8,081 |
|
Num Cols
|
8,081 |
|
Nonzeros
|
13,036 |
|
Pattern Entries
|
13,036 |
|
Kind
|
Counter Example Problem |
|
Symmetric
|
No |
|
Date
|
2002 |
|
Author
|
P. Anderson |
|
Editor
|
T. Davis |
| Structural Rank |
8,081 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
7,877 |
|
Strongly Connect Components
|
7,877 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
0% |
|
Numeric Symmetry
|
0% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
6.589300e+04 |
| Minimum Singular Value |
2.513940e-07 |
| Condition Number |
2.621105e+11
|
| Rank |
8,081 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
