Matrix properties
number of rows	105,676
number of columns	105,676
nonzeros	513,072
structural full rank?	yes
structural rank	105,676
# of blocks from dmperm	1,420
# strongly connected comp.	1,359
entries not in dmperm blocks	6,018
explicit zero entries	0
nonzero pattern symmetry	100%
numeric value symmetry	20%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	S. Hamm
editor	T. Davis
date	2001
kind	circuit simulation problem
2D/3D problem?	no

Additional fields	size and type
b	full 105676-by-1

Ordering statistics:	AMD	METIS	DMPERM+
nnz(chol(P*(A+A'+s*I)*P'))	368,316	380,574	362,244
Cholesky flop count	1.7e+06	2.0e+06	1.6e+06
nnz(L+U), no partial pivoting	630,956	655,472	624,830
nnz(V) for QR, upper bound nnz(L) for LU	3,433,900	3,195,259	1,670,171
nnz(R) for QR, upper bound nnz(U) for LU	10,042,058	7,627,616	3,879,567

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.