Chen/pkustk05
PKU SYMMETRIC STIFFNESS, COFFERDAM 37164 DOFS
Name |
pkustk05 |
Group |
Chen |
Matrix ID |
851 |
Num Rows
|
37,164 |
Num Cols
|
37,164 |
Nonzeros
|
2,205,144 |
Pattern Entries
|
2,205,144 |
Kind
|
Structural Problem |
Symmetric
|
Yes |
Date
|
2002 |
Author
|
P. Chen |
Editor
|
T. Davis |
Structural Rank |
37,164 |
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 |
7.762053e+01 |
Minimum Singular Value |
0 |
Condition Number |
Inf
|
Rank |
6,149 |
sprank(A)-rank(A) |
31,015 |
Null Space Dimension |
31,015 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|