Matrix properties
number of rows	2,624
number of columns	2,624
nonzeros	35,823
structural full rank?	yes
structural rank	2,624
# of blocks from dmperm	60
# strongly connected comp.	6
entries not in dmperm blocks	10,405
explicit zero entries	0
nonzero pattern symmetry	100%
numeric value symmetry	21%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	W. Bomhof
editor	T. Davis
date	2000
kind	circuit simulation problem
2D/3D problem?	no

Additional fields	size and type
b	full 2624-by-1
x	full 2624-by-1

Ordering statistics:	AMD	METIS	DMPERM+
nnz(chol(P*(A+A'+s*I)*P'))	22,513	21,867	16,818
Cholesky flop count	4.1e+05	3.3e+05	2.6e+05
nnz(L+U), no partial pivoting	42,402	41,110	41,417
nnz(V) for QR, upper bound nnz(L) for LU	254,860	376,575	237,651
nnz(R) for QR, upper bound nnz(U) for LU	3,360,315	3,360,755	1,800,694

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.