Matrix properties
number of rows	9,801
number of columns	9,801
nonzeros	87,025
structural full rank?	yes
structural rank	9,801
# 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	S. Norris
editor	T. Davis
date	2003
kind	2D/3D problem
2D/3D problem?	yes

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	310,926	311,617
Cholesky flop count	2.2e+07	1.8e+07
nnz(L+U), no partial pivoting	612,051	613,433
nnz(V) for QR, upper bound nnz(L) for LU	506,007	489,190
nnz(R) for QR, upper bound nnz(U) for LU	954,787	915,701

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.