Chen/pkustk09
PKU SYMMETRIC STIFFNESS, GROUP SILOS IN DALIAN, CHINA
| Name |
pkustk09 |
| Group |
Chen |
| Matrix ID |
855 |
|
Num Rows
|
33,960 |
|
Num Cols
|
33,960 |
|
Nonzeros
|
1,583,640 |
|
Pattern Entries
|
1,583,640 |
|
Kind
|
Structural Problem |
|
Symmetric
|
Yes |
|
Date
|
2002 |
|
Author
|
P. Chen |
|
Editor
|
T. Davis |
| Structural Rank |
33,960 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
yes |
|
Positive Definite
|
no |
|
Type
|
binary |
| SVD Statistics |
| Matrix Norm |
5.531085e+01 |
| Minimum Singular Value |
0 |
| Condition Number |
Inf
|
| Rank |
5,583 |
| sprank(A)-rank(A) |
28,377 |
| Null Space Dimension |
28,377 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
