Matrix properties
number of rows	5,952
number of columns	5,952
nonzeros	22,162
structural full rank?	yes
structural rank	5,952
# of blocks from dmperm	1
# strongly connected comp.	1
explicit zero entries	0
nonzero pattern symmetry	0%
numeric value symmetry	0%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	J. Hamrle
editor	T. Davis
date	2004
kind	circuit simulation problem
2D/3D problem?	no

Additional fields	size and type
b	sparse 5952-by-1

Ordering statistics:	result
nnz(chol(P*(A+A'+s*I)*P')) with AMD	2,302,267
Cholesky flop count	3.1e+09
nnz(L+U), no partial pivoting, with AMD	4,598,582
nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD	43,693
nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD	88,907

SVD-based statistics:
norm(A)	110.277
min(svd(A))	0.00164787
cond(A)	66920.8
rank(A)	5,952
sprank(A)-rank(A)	0
null space dimension	0
full numerical rank?	yes

singular values (MAT file):	click here
SVD method used:	s = svd (full (A)) ;
status:	ok

For a description of the statistics displayed above, click here.

Maintained by Tim Davis, last updated 12-Mar-2014.
Matrix pictures by cspy, a MATLAB function in the CSparse package.
Matrix graphs by Yifan Hu, AT&T Labs Visualization Group.