Matrix properties
number of rows	60,008
number of columns	60,008
nonzeros	255,004
structural full rank?	yes
structural rank	60,008
# 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?	no

author	M. Ferris
editor	N. Gould
date	2004
kind	optimization problem
2D/3D problem?	no

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	239,987	230,007
Cholesky flop count	1.0e+06	9.5e+05
nnz(L+U), no partial pivoting	419,966	400,006
nnz(V) for QR, upper bound nnz(L) for LU	150,020,124	-
nnz(R) for QR, upper bound nnz(U) for LU	226,618,664	-

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.