Matrix properties
number of rows	10,938
number of columns	10,938
nonzeros	130,500
structural full rank?	yes
structural rank	10,938
# of blocks from dmperm	1
# strongly connected comp.	1
explicit zero entries	103,506
nonzero pattern symmetry	symmetric
numeric value symmetry	17%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	Integrated Sys. Eng.
editor	O. Schenk
date	2003
kind	semiconductor device problem
2D/3D problem?	yes

Additional fields	size and type
b	full 10938-by-1

Ordering statistics:	result
nnz(chol(P*(A+A'+s*I)*P')) with AMD	595,714
Cholesky flop count	5.7e+07
nnz(L+U), no partial pivoting, with AMD	1,180,490
nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD	758,836
nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD	1,450,496

Note that all matrix statistics (except nonzero pattern symmetry) exclude the 103506 explicit zero entries.

SVD-based statistics:
norm(A)	1.20386e+12
min(svd(A))	2.89354e-08
cond(A)	4.16051e+19
rank(A)	7,592
sprank(A)-rank(A)	3,346
null space dimension	3,346
full numerical rank?	no
singular value gap	1.00348

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.