Matrix properties
number of rows	32
number of columns	14
nonzeros	234
structural full rank?	yes
structural rank	14
# 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	D. Maragal
editor	T. Davis
date	2008
kind	least squares problem
2D/3D problem?	no

Additional fields	size and type
b	full 32-by-1

Notes:

rank deficient (rank(A) < sprank(A) == size(A,2))
rank: 10 sprank: 14 columns: 14                  

Ordering statistics:	result
nnz(V) for QR, upper bound nnz(L) for LU, with COLAMD	329
nnz(R) for QR, upper bound nnz(U) for LU, with COLAMD	105

SVD-based statistics:
norm(A)	5.93273
min(svd(A))	1.27953e-16
cond(A)	4.63664e+16
rank(A)	10
sprank(A)-rank(A)	4
null space dimension	4
full numerical rank?	no
singular value gap	1.46088e+15

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.