Matrix properties
number of rows	29,493
number of columns	11,822
nonzeros	117,954
structural full rank?	yes
structural rank	11,822
# 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	R. Sumner
editor	T. Davis
date	2003
kind	computer graphics/vision problem
2D/3D problem?	yes

Ordering statistics:	result
nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD	3,602,329
nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD	124,909

SVD-based statistics:
norm(A)	3.91854e+08
min(svd(A))	2.46072
cond(A)	1.59244e+08
rank(A)	11,822
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.