Matrix properties
number of rows	7,055
number of columns	7,055
nonzeros	30,082
structural full rank?	yes
structural rank	7,055
# of blocks from dmperm	1
# strongly connected comp.	1
entries not in dmperm blocks	0
explicit zero entries	4,773
nonzero pattern symmetry	100%
numeric value symmetry	0%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	S. Lucifora
editor	T. Davis
date	2003
kind	directed weighted graph
2D/3D problem?	no

Additional fields	size and type
b	full 7055-by-1

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	121,334	113,320
Cholesky flop count	4.3e+06	4.2e+06
nnz(L+U), no partial pivoting	235,613	219,585
nnz(V) for QR, upper bound nnz(L) for LU	179,016	162,580
nnz(R) for QR, upper bound nnz(U) for LU	316,331	310,522

Note that all matrix statistics (except nonzero pattern symmetry) exclude the 4773 explicit zero entries.

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.