Chevron/Chevron1

Temporal freq domain seismic modeling; J. Washbourne, Chevron
Name Chevron1
Group Chevron
Matrix ID 2555
Num Rows 37,365
Num Cols 37,365
Nonzeros 330,633
Pattern Entries 330,633
Kind 2D/3D Problem
Symmetric No
Date 2012
Author J. Washbourne
Editor T. Davis
Structural Rank 37,365
Structural Rank Full true
Num Dmperm Blocks 1
Strongly Connect Components 1
Num Explicit Zeros 0
Pattern Symmetry 99.5%
Numeric Symmetry 71%
Cholesky Candidate no
Positive Definite no
Type complex
SVD Statistics
Matrix Norm 5.192608e-02
Minimum Singular Value 5.209323e-07
Condition Number 9.967913e+04
Rank 37,365
sprank(A)-rank(A) 0
Null Space Dimension 0
Full Numerical Rank? yes
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Notes
Complex unsymmetric matrix arising from a 2D Helmholtz formulation
for temporal frequency domain seismic modeling.                   
From John Washbourne, Chevron