Matrix properties
number of rows	113,081
number of columns	113,081
nonzeros	6,115,633
structural full rank?	yes
structural rank	113,081
# 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	Y. Zhou, Y. Saad, M. Tiago, J. Chelikowsky
editor	T. Davis
date	2005
kind	theoretical/quantum chemistry problem
2D/3D problem?	no

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	1,562,547,805	562,866,342
Cholesky flop count	3.4e+13	5.2e+12
nnz(L+U), no partial pivoting	3.124983e+09	1,125,619,603
nnz(V) for QR, upper bound nnz(L) for LU	1,584,819,869	983,310,302
nnz(R) for QR, upper bound nnz(U) for LU	2.660061e+09	1,762,563,972

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.