Boeing/pct20stif

CT20 ENGINE BLOCK -- STIFFNESS MATRIX
Name pct20stif
Group Boeing
Matrix ID 368
Num Rows 52,329
Num Cols 52,329
Nonzeros 2,698,463
Pattern Entries 2,698,463
Kind Structural Problem
Symmetric Yes
Date 1995
Author R. Grimes
Editor T. Davis
Structural Rank 52,329
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 binary
Download MATLAB Rutherford Boeing Matrix Market
Notes