Boeing/bcsstk37
STIFFNESS MATRIX, TRACK BALL
Name |
bcsstk37 |
Group |
Boeing |
Matrix ID |
342 |
Num Rows
|
25,503 |
Num Cols
|
25,503 |
Nonzeros
|
1,140,977 |
Pattern Entries
|
1,140,977 |
Kind
|
Structural Problem |
Symmetric
|
Yes |
Date
|
1995 |
Author
|
R. Grimes |
Editor
|
T. Davis |
Structural Rank |
25,503 |
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
|
real |
SVD Statistics |
Matrix Norm |
8.412869e+07 |
Minimum Singular Value |
1.224263e-06 |
Condition Number |
6.871781e+13
|
Rank |
25,395 |
sprank(A)-rank(A) |
108 |
Null Space Dimension |
108 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|