Matrix properties
number of rows	116,835
number of columns	116,835
nonzeros	749,800
structural full rank?	yes
structural rank	116,835
# of blocks from dmperm	19
# strongly connected comp.	19
entries not in dmperm blocks	77,899
explicit zero entries	16,596
nonzero pattern symmetry	85%
numeric value symmetry	30%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	T. Lehner
editor	T. Davis
date	2005
kind	subsequent circuit simulation problem
2D/3D problem?	no

Additional fields	size and type
b	full 116835-by-1

Notes:

next: - first: IBM_EDA/trans4

Ordering statistics:	AMD	METIS	DMPERM+
nnz(chol(P*(A+A'+s*I)*P'))	657,008	820,383	583,329
Cholesky flop count	2.0e+07	9.0e+07	2.1e+07
nnz(L+U), no partial pivoting	1,197,181	1,523,931	1,127,722
nnz(V) for QR, upper bound nnz(L) for LU	354,840,547	-	350,648,754
nnz(R) for QR, upper bound nnz(U) for LU	6.519822e+09	-	6.517917e+09

Note that all matrix statistics (except nonzero pattern symmetry) exclude the 16596 explicit zero entries.

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.