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
|