HB/arc130
UNSYMMETRIC MATRIX FROM LASER PROBLEM. A.R.CURTIS, OCT 1974
| Name |
arc130 |
| Group |
HB |
| Matrix ID |
6 |
|
Num Rows
|
130 |
|
Num Cols
|
130 |
|
Nonzeros
|
1,037 |
|
Pattern Entries
|
1,282 |
|
Kind
|
Materials Problem |
|
Symmetric
|
No |
|
Date
|
1974 |
|
Author
|
A. Curtis |
|
Editor
|
A. Curtis, I. Duff, J. Reid |
| Structural Rank |
130 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
55 |
|
Strongly Connect Components
|
55 |
|
Num Explicit Zeros
|
245 |
|
Pattern Symmetry
|
75.9% |
|
Numeric Symmetry
|
0% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
2.397348e+05 |
| Minimum Singular Value |
3.959802e-06 |
| Condition Number |
6.054212e+10
|
| Rank |
130 |
| sprank(A)-rank(A) |
0 |
| Null Space Dimension |
0 |
| Full Numerical Rank? |
yes |
| Download Singular Values |
MATLAB
|
