Andrianov/pattern1
pattern1 matrix from Alexander Andrianov, SAS Institute Inc.
Name |
pattern1 |
Group |
Andrianov |
Matrix ID |
1393 |
Num Rows
|
19,242 |
Num Cols
|
19,242 |
Nonzeros
|
9,323,432 |
Pattern Entries
|
9,323,432 |
Kind
|
Optimization Problem |
Symmetric
|
Yes |
Date
|
2006 |
Author
|
A. Andrianov |
Editor
|
T. Davis |
Structural Rank |
19,242 |
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 |
7.708143e+02 |
Minimum Singular Value |
3.011612e-82 |
Condition Number |
2.559475e+84
|
Rank |
11,293 |
sprank(A)-rank(A) |
7,949 |
Null Space Dimension |
7,949 |
Full Numerical Rank? |
no |
Download Singular Values |
MATLAB
|