Chevron/Chevron4

Temporal freq domain seismic modeling; J. Washbourne, Chevron
Name Chevron4
Group Chevron
Matrix ID 2558
Num Rows 711,450
Num Cols 711,450
Nonzeros 6,376,412
Pattern Entries 6,376,412
Kind 2D/3D Problem
Symmetric No
Date 2012
Author J. Washbourne
Editor T. Davis
Structural Rank 711,450
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 99.9%
Numeric Symmetry 55.6%
Cholesky Candidate no
Positive Definite no
Type complex
Download MATLAB Rutherford Boeing Matrix Market
Notes
Complex unsymmetric matrix arising from a 2D Helmholtz formulation
for temporal frequency domain seismic modeling.                   
From John Washbourne, Chevron