Bai/ck400
CHUCK MATRIX (MULTIPLE EIGENVALUES) J. CULLUM
Name |
ck400 |
Group |
Bai |
Matrix ID |
307 |
Num Rows
|
400 |
Num Cols
|
400 |
Nonzeros
|
2,860 |
Pattern Entries
|
2,860 |
Kind
|
2D/3D Problem |
Symmetric
|
No |
Date
|
1986 |
Author
|
J. Cullum |
Editor
|
Z. Bai, D. Day, J. Demmel, J. Dongarra |
Structural Rank |
400 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
2 |
Strongly Connect Components
|
2 |
Num Explicit Zeros
|
0 |
Pattern Symmetry
|
98.9% |
Numeric Symmetry
|
0.2% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
5.732038e+00 |
Minimum Singular Value |
2.211310e-05 |
Condition Number |
2.592146e+05
|
Rank |
400 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
0 |
Full Numerical Rank? |
yes |
Download Singular Values |
MATLAB
|