Boeing/msc04515
SYMMETRIC TEST MATRIX FROM MSC/NASTRAN B30F8.OUT2
Name |
msc04515 |
Group |
Boeing |
Matrix ID |
360 |
Num Rows
|
4,515 |
Num Cols
|
4,515 |
Nonzeros
|
97,707 |
Pattern Entries
|
97,707 |
Kind
|
Structural Problem |
Symmetric
|
Yes |
Date
|
1995 |
Author
|
R. Grimes |
Editor
|
T. Davis |
Structural Rank |
4,515 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
2 |
Strongly Connect Components
|
2 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
100% |
Numeric Symmetry
|
100% |
Cholesky Candidate
|
yes |
Positive Definite
|
yes |
Type
|
real |
SVD Statistics |
Matrix Norm |
3.149237e+10 |
Minimum Singular Value |
1.385637e+04 |
Condition Number |
2.272772e+06
|
Rank |
4,515 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
0 |
Full Numerical Rank? |
yes |
Download Singular Values |
MATLAB
|