GHS_psdef/ldoor

INDEED Test Matrix
Name ldoor
Group GHS_psdef
Matrix ID 1268
Num Rows 952,203
Num Cols 952,203
Nonzeros 42,493,817
Pattern Entries 46,522,475
Kind Structural Problem
Symmetric Yes
Date 2004
Author J. Weiher
Editor J. Koster
Structural Rank 952,203
Structural Rank Full true
Num Dmperm Blocks 42,667
Strongly Connect Components 42,667
Num Explicit Zeros 4,028,658
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate yes
Positive Definite yes
Type real
Download MATLAB Rutherford Boeing Matrix Market
Notes