ND/nd12k
ND problem set, matrix nd12k
Name |
nd12k |
Group |
ND |
Matrix ID |
938 |
Num Rows
|
36,000 |
Num Cols
|
36,000 |
Nonzeros
|
14,220,946 |
Pattern Entries
|
14,220,946 |
Kind
|
2D/3D Problem |
Symmetric
|
Yes |
Date
|
2003 |
Author
|
author unknown |
Editor
|
T. Davis |
Structural Rank |
36,000 |
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
|
yes |
Type
|
real |
SVD Statistics |
Matrix Norm |
1.382280e+02 |
Minimum Singular Value |
1.038697e-05 |
Condition Number |
1.330782e+07
|
Rank |
36,000 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
0 |
Full Numerical Rank? |
yes |
Download Singular Values |
MATLAB
|