Schenk_IBMSDS/ibm_matrix_2
Olaf Schenk, Univ. Basel: IBM TJ Watson, Yorktown, semiconductor device
| Name |
ibm_matrix_2 |
| Group |
Schenk_IBMSDS |
| Matrix ID |
958 |
|
Num Rows
|
51,448 |
|
Num Cols
|
51,448 |
|
Nonzeros
|
537,038 |
|
Pattern Entries
|
1,056,610 |
|
Kind
|
Semiconductor Device Problem |
|
Symmetric
|
No |
|
Date
|
2003 |
|
Author
|
IBM |
|
Editor
|
O. Schenk |
| Structural Rank |
51,448 |
| Structural Rank Full |
true |
|
Num Dmperm Blocks
|
6,627 |
|
Strongly Connect Components
|
6,627 |
|
Num Explicit Zeros
|
519,572 |
|
Pattern Symmetry
|
99.2% |
|
Numeric Symmetry
|
18.6% |
|
Cholesky Candidate
|
no |
|
Positive Definite
|
no |
|
Type
|
real |
