Matrix properties
number of rows	2,410
number of columns	2,410
nonzeros	54,840
structural full rank?	yes
structural rank	2,410
# 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'))	49,093	60,952	49,093
Cholesky flop count	1.2e+06	2.1e+06	1.2e+06
nnz(L+U), no partial pivoting	95,776	119,494	95,776
nnz(V) for QR, upper bound nnz(L) for LU	61,363	91,253	71,021
nnz(R) for QR, upper bound nnz(U) for LU	163,579	217,942	176,331

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.