Gould, Hu, & Scott: Helicoptor rotor blade, from Pothen & Kumfert
Name copter2
Group GHS_psdef
Matrix ID 1256
Num Rows 55,476
Num Cols 55,476
Nonzeros 759,952
Pattern Entries 759,952
Kind Duplicate Computational Fluid Dynamics Problem
Symmetric Yes
Date 2004
Author G. Kumfert, A. Pothen
Editor N. Gould, Y. Hu, J. Scott
Structural Rank 55,476
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
GHS_psdef/copter2 is the nonzero pattern of GHS_indef/copter2.