Matrix properties
number of rows	48
number of columns	48
nonzeros	306
structural full rank?	yes
structural rank	48
# 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	NASA
editor	G. Kumfert, A. Pothen
date	2003
kind	structural problem
2D/3D problem?	yes

Additional fields	size and type
coord	full 48-by-2

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	336	348
Cholesky flop count	2.7e+03	2.9e+03
nnz(L+U), no partial pivoting	624	648
nnz(V) for QR, upper bound nnz(L) for LU	432	503
nnz(R) for QR, upper bound nnz(U) for LU	769	794

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.