Schenk_IBMNA/c-50
IBM TJ Watson, non-linear optimization
Name |
c-50 |
Group |
Schenk_IBMNA |
Matrix ID |
1569 |
Num Rows
|
22,401 |
Num Cols
|
22,401 |
Nonzeros
|
180,245 |
Pattern Entries
|
193,625 |
Kind
|
Optimization Problem |
Symmetric
|
Yes |
Date
|
2006 |
Author
|
IBM |
Editor
|
O. Schenk |
Structural Rank |
22,401 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
3 |
Strongly Connect Components
|
3 |
Num Explicit Zeros
|
13,380 |
Pattern Symmetry
|
100% |
Numeric Symmetry
|
100% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
2.658597e+05 |
Minimum Singular Value |
1.676394e-05 |
Condition Number |
1.585902e+10
|
Rank |
22,401 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
0 |
Full Numerical Rank? |
yes |
Download Singular Values |
MATLAB
|