GHS_indef/bloweya
Gould, Hu, & Scott: Cahn-Hilliard problem (CUTEr)
| Name |
bloweya |
| Group |
GHS_indef |
| Matrix ID |
1295 |
|
Num Rows
|
30,004 |
|
Num Cols
|
30,004 |
|
Nonzeros
|
150,009 |
|
Pattern Entries
|
150,009 |
|
Kind
|
Materials Problem |
|
Symmetric
|
Yes |
|
Date
|
1992 |
|
Author
|
J. Blowey |
|
Editor
|
N. Gould |
| Structural Rank |
30,004 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
1 |
|
Strongly Connect Components
|
1 |
|
Num Explicit Zeros
|
0 |
|
Pattern Symmetry
|
100% |
|
Numeric Symmetry
|
100% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
| SVD Statistics |
| Matrix Norm |
1.000976e+02 |
| Minimum Singular Value |
9.025840e-20 |
| Condition Number |
1.109012e+21
|
| Rank |
20,050 |
| sprank(A)-rank(A) |
9,954 |
| Null Space Dimension |
9,954 |
| Full Numerical Rank? |
no |
| Download Singular Values |
MATLAB
|
