GHS_indef/helm2d03
Helmholtz eq. on a unit square: -div grad u -10000 u = 1, B.C. u = 0
Name |
helm2d03 |
Group |
GHS_indef |
Matrix ID |
1236 |
Num Rows
|
392,257 |
Num Cols
|
392,257 |
Nonzeros
|
2,741,935 |
Pattern Entries
|
2,741,935 |
Kind
|
2D/3D Problem |
Symmetric
|
Yes |
Date
|
2004 |
Author
|
|
Editor
|
N. Gould, Y. Hu, J. Scott |
Structural Rank |
392,257 |
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
|
no |
Type
|
real |