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
|