Matrix properties
number of rows	16,614
number of columns	16,614
nonzeros	1,096,948
structural full rank?	yes
structural rank	16,614
# of blocks from dmperm	1
# strongly connected comp.	1
entries not in dmperm blocks	0
explicit zero entries	0
nonzero pattern symmetry	symmetric
numeric value symmetry	100%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	A. Baggag, Y. Saad
editor	A. Baggag, Y. Saad
date	1994
kind	computational fluid dynamics problem
2D/3D problem?	yes

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	5,704,322	4,654,483
Cholesky flop count	3.0e+09	1.8e+09
nnz(L+U), no partial pivoting	11,392,030	9,292,352
nnz(V) for QR, upper bound nnz(L) for LU	7,343,038	6,495,228
nnz(R) for QR, upper bound nnz(U) for LU	13,987,342	12,633,819

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.