Matrix properties
number of rows	38,415
number of columns	38,415
nonzeros	933,195
structural full rank?	yes
structural rank	38,415
# of blocks from dmperm	1
# strongly connected comp.	1
entries not in dmperm blocks	0
explicit zero entries	0
nonzero pattern symmetry	99%
numeric value symmetry	0%
type	complex
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	W. Kim
editor	T. Davis
date	2002
kind	2D/3D problem
2D/3D problem?	yes

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	4,787,045	4,662,882
Cholesky flop count	1.3e+09	1.1e+09
nnz(L+U), no partial pivoting	9,535,675	9,287,349
nnz(V) for QR, upper bound nnz(L) for LU	8,414,411	7,269,216
nnz(R) for QR, upper bound nnz(U) for LU	16,436,381	13,853,585

Maintained by Tim Davis, last updated 04-May-2008.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.