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
|
