Matrix properties
number of rows	28,452
number of columns	9,693
nonzeros	100,875
structural full rank?	yes
structural rank	9,693
# of blocks from dmperm	1
# strongly connected comp.	1
explicit zero entries	0
nonzero pattern symmetry	0%
numeric value symmetry	0%
type	real
structure	rectangular
Cholesky candidate?	no
positive definite?	no

author	I. Kemelmacher
editor	T. Davis
date	2005
kind	computer graphics/vision problem
2D/3D problem?	yes

Ordering statistics:	result
nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD	14,353,815
nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD	857,817

SVD-based statistics:
norm(A)	240.578
min(svd(A))	0.0100982
cond(A)	23823.9
rank(A)	9,693
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 (R)) ; where [~,R,E] = spqr (A) with droptol of zero
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.