Boeing/ct20stif

CT20 ENGINE BLOCK -- STIFFNESS MATRIX
Name ct20stif
Group Boeing
Matrix ID 356
Num Rows 52,329
Num Cols 52,329
Nonzeros 2,600,295
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 98,168
Pattern Symmetry 100%
Numeric Symmetry 100%
Cholesky Candidate yes
Positive Definite yes
Type real
Download MATLAB Rutherford Boeing Matrix Market
Notes