HB/impcol_d
UNSYMMETRIC MATRIX - NITRIC ACID PLANT MODEL (CHEM ENG),1982
Name |
impcol_d |
Group |
HB |
Matrix ID |
174 |
Num Rows
|
425 |
Num Cols
|
425 |
Nonzeros
|
1,255 |
Pattern Entries
|
1,339 |
Kind
|
Chemical Process Simulation Problem |
Symmetric
|
No |
Date
|
1982 |
Author
|
D. Bogle |
Editor
|
I. Duff, R. Grimes, J. Lewis |
Structural Rank |
425 |
Structural Rank Full |
true |
Num Dmperm Blocks
|
321 |
Strongly Connect Components
|
3 |
Num Explicit Zeros
|
84 |
Pattern Symmetry
|
5.7% |
Numeric Symmetry
|
2.3% |
Cholesky Candidate
|
no |
Positive Definite
|
no |
Type
|
real |
SVD Statistics |
Matrix Norm |
1.018128e+01 |
Minimum Singular Value |
4.938729e-03 |
Condition Number |
2.061518e+03
|
Rank |
425 |
sprank(A)-rank(A) |
0 |
Null Space Dimension |
0 |
Full Numerical Rank? |
yes |
Download Singular Values |
MATLAB
|