Schenk_IBMNA/c-20
IBM TJ Watson, non-linear optimization
| Name |
c-20 |
| Group |
Schenk_IBMNA |
| Matrix ID |
1539 |
|
Num Rows
|
2,921 |
|
Num Cols
|
2,921 |
|
Nonzeros
|
20,445 |
|
Pattern Entries
|
22,685 |
|
Kind
|
Optimization Problem |
|
Symmetric
|
Yes |
|
Date
|
2006 |
|
Author
|
IBM |
|
Editor
|
O. Schenk |
| Structural Rank |
2,921 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
2,240 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
1.639673e+07 |
| Minimum Singular Value |
1.561836e-05 |
| Condition Number |
1.049837e+12
|
| Rank |
2,921 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
