Matrix properties
number of rows	961
number of columns	961
nonzeros	4,681
structural full rank?	yes
structural rank	961
# 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	0%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	author unknown
editor	Z. Bai, D. Day, J. Demmel, J. Dongarra
date	1992
kind	subsequent computational fluid dynamics problem
2D/3D problem?	yes

Notes:

next: Bai/cdde5 first: Bai/cdde1

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	10,917	12,832
Cholesky flop count	2.1e+05	2.9e+05
nnz(L+U), no partial pivoting	20,873	24,703
nnz(V) for QR, upper bound nnz(L) for LU	17,778	18,828
nnz(R) for QR, upper bound nnz(U) for LU	32,261	34,517

Maintained by Tim Davis, last updated 30-Sep-2008.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.