Schenk_IBMNA/c-54
IBM TJ Watson, non-linear optimization
Name |
c-54 |
Group |
Schenk_IBMNA |
Matrix ID |
1573 |
Num Rows
|
31,793 |
Num Cols
|
31,793 |
Nonzeros
|
385,987 |
Pattern Entries
|
391,693 |
Kind
|
Optimization Problem |
Symmetric
|
Yes |
Date
|
2006 |
Author
|
IBM |
Editor
|
O. Schenk |
Structural Rank |
31,793 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
20 |
Strongly Connect Components
|
20 |
Num Explicit Zeros
|
5,706 |
Pattern Symmetry
|
100% |
Numeric Symmetry
|
100% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
1.825534e+08 |
Minimum Singular Value |
9.999984e-09 |
Condition Number |
1.825537e+16
|
Rank |
31,404 |
sprank(A)-rank(A) |
389 |
Null Space Dimension |
389 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|