MathWorks/Kaufhold
John Kaufhold, GE. Triggers bug in LU in MATLAB 6.5 on Windows (not Linux)
| Name |
Kaufhold |
| Group |
MathWorks |
| Matrix ID |
1404 |
|
Num Rows
|
8,765 |
|
Num Cols
|
8,765 |
|
Nonzeros
|
42,471 |
|
Pattern Entries
|
42,471 |
|
Kind
|
Counter Example Problem |
|
Symmetric
|
No |
|
Date
|
2006 |
|
Author
|
Kaufhold |
|
Editor
|
T. Davis |
| Structural Rank |
8,765 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
256 |
|
Strongly Connect Components
|
256 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
77.8% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
999,999,999,989,183 |
| Minimum Singular Value |
2.066197e+00 |
| Condition Number |
4.839809e+14
|
| Rank |
8,759 |
| sprank(A)-rank(A) |
6 |
| Null Space Dimension |
6 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
