Matrix properties
number of rows	6,867
number of columns	6,867
nonzeros	98,671
structural full rank?	yes
structural rank	6,867
# of blocks from dmperm	2
# strongly connected comp.	2
entries not in dmperm blocks	0
explicit zero entries	0
nonzero pattern symmetry	symmetric
numeric value symmetry	symmetric
type	real
structure	symmetric
Cholesky candidate?	yes
positive definite?	yes

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	DMPERM+
nnz(chol(P*(A+A'+s*I)*P'))	227,362	250,373	227,362
Cholesky flop count	1.1e+07	1.4e+07	1.1e+07
nnz(L+U), no partial pivoting	447,857	493,879	447,857
nnz(V) for QR, upper bound nnz(L) for LU	263,488	343,857	310,481
nnz(R) for QR, upper bound nnz(U) for LU	512,995	648,238	576,781

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.