GHS_psdef/apache1

SPD matrix (finite difference 3D) from APACHE small
Name apache1
Group GHS_psdef
Matrix ID 1422
Num Rows 80,800
Num Cols 80,800
Nonzeros 542,184
Pattern Entries 542,184
Kind Structural Problem
Symmetric Yes
Date 2006
Author
Editor N. Gould, Y. Hu, J. Scott
Structural Rank 80,800
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 yes
Type real
Download MATLAB Rutherford Boeing Matrix Market
Notes