HB/nnc261
U NATIONAL NUCLEAR CORP. FISSION REACTOR SIESMIC STUDIES
Name |
nnc261 |
Group |
HB |
Matrix ID |
215 |
Num Rows
|
261 |
Num Cols
|
261 |
Nonzeros
|
1,500 |
Pattern Entries
|
1,500 |
Kind
|
2D/3D Problem |
Symmetric
|
No |
Date
|
1982 |
Author
|
National Nuclear Corp. |
Editor
|
I. Duff, R. Grimes, J. Lewis |
Structural Rank |
261 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
29 |
Strongly Connect Components
|
1 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
82.4% |
Numeric Symmetry
|
61.3% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
1.040628e+03 |
Minimum Singular Value |
3.573898e-12 |
Condition Number |
2.911744e+14
|
Rank |
260 |
sprank(A)-rank(A) |
1 |
Null Space Dimension |
1 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|