Matrix properties
number of rows	317
number of columns	317
nonzeros	7,280
structural full rank?	yes
structural rank	317
# of blocks from dmperm	82
# strongly connected comp.	82
entries not in dmperm blocks	1,381
explicit zero entries	47
nonzero pattern symmetry	80%
numeric value symmetry	52%
type	real
structure	unsymmetric
Cholesky candidate?	no
positive definite?	no

author	A. Chapman
editor	A. Baggag, Y. Saad
date	1996
kind	computational fluid dynamics problem sequence
2D/3D problem?	yes

Additional fields	size and type
b	full 317-by-1
x	full 317-by-1

Notes:

next: DRIVCAV/cavity02 first: DRIVCAV/cavity01

Ordering statistics:	AMD	METIS	DMPERM+
nnz(chol(P*(A+A'+s*I)*P'))	6,119	6,884	6,551
Cholesky flop count	1.3e+05	1.8e+05	2.0e+05
nnz(L+U), no partial pivoting	11,921	13,451	14,166
nnz(V) for QR, upper bound nnz(L) for LU	6,839	5,911	6,343
nnz(R) for QR, upper bound nnz(U) for LU	16,035	16,279	15,630

Note that all matrix statistics (except nonzero pattern symmetry) exclude the 47 explicit zero entries.

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.