Matrix properties
number of rows	5,026
number of columns	5,026
nonzeros	94,026
structural full rank?	yes
structural rank	5,026
# 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	binary
structure	symmetric
Cholesky candidate?	yes
positive definite?	no

author	A. Andrianov
editor	T. Davis
date	2006
kind	optimization problem
2D/3D problem?	no

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	74,666	87,726
Cholesky flop count	1.7e+06	2.7e+06
nnz(L+U), no partial pivoting	144,306	170,426
nnz(V) for QR, upper bound nnz(L) for LU	123,684	140,417
nnz(R) for QR, upper bound nnz(U) for LU	363,925	401,580

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.