Matrix properties
number of rows	13,514
number of columns	13,514
nonzeros	352,762
structural full rank?	yes
structural rank	13,514
# 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	COMSOL
editor	T. Davis
date	2003
kind	computational fluid dynamics problem
2D/3D problem?	yes

Additional fields	size and type
b	full 13514-by-1

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	4,182,614	2,810,929
Cholesky flop count	3.1e+09	1.2e+09
nnz(L+U), no partial pivoting	8,351,714	5,608,344
nnz(V) for QR, upper bound nnz(L) for LU	7,628,551	6,065,405
nnz(R) for QR, upper bound nnz(U) for LU	17,496,080	14,959,506

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.