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