Matrix properties
number of rows	94,069
number of columns	94,069
nonzeros	460,493
structural full rank?	yes
structural rank	94,069
# 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	binary
structure	symmetric
Cholesky candidate?	yes
positive definite?	no

author	NASA
editor	G. Kumfert, A. Pothen
date	2003
kind	structural problem
2D/3D problem?	yes

Additional fields	size and type
coord	full 94069-by-3

Ordering statistics:	AMD	METIS
nnz(chol(P*(A+A'+s*I)*P'))	11,679,587	6,567,275
Cholesky flop count	8.7e+09	2.2e+09
nnz(L+U), no partial pivoting	23,265,105	13,040,481
nnz(V) for QR, upper bound nnz(L) for LU	27,489,044	13,559,104
nnz(R) for QR, upper bound nnz(U) for LU	49,547,979	25,521,588

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.