Matrix properties
number of rows	7,102
number of columns	7,102
nonzeros	340,200
structural full rank?	yes
structural rank	7,102
# 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	symmetric
type	real
structure	symmetric
Cholesky candidate?	yes
positive definite?	yes

author	B. Cheng
editor	T. Davis
date	2006
kind	structural problem
2D/3D problem?	yes

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	380,084	422,978
Cholesky flop count	3.2e+07	4.0e+07
nnz(L+U), no partial pivoting	753,066	838,854
nnz(V) for QR, upper bound nnz(L) for LU	993,488	852,816
nnz(R) for QR, upper bound nnz(U) for LU	3,748,821	2,762,465

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.