The Matrix Market

Home Search Browse Resources

CAVITY02: Driven Cavity Problems

from set DRIVCAV_OLD, from the SPARSKIT Collection

[Download] [Visualizations] [Matrix Statistics] [Set Information]


Download as

Help: My browser can't read the compressed data files. What now?


Visualizations

Click on image to get an enlarged version. Click on label to get an explanation.

Structure Plot City Plot
structure plot city plot
3D Interactive City Plot

[ VRML Version 2, gzipped ] 199772 bytes


Matrix Statistics

Click on label to get an explanation.

Size Type
317 x 317, 7327 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
5923 243 2840 2840 5680
Column Data Row Data
Average nonzeros per column : 19
Standard deviation : 16

indexnonzeros
longest97 62
shortest1 1

Average nonzeros per row : 19
Standard deviation : 16

indexnonzeros
longest97 62
shortest1 1

Bandwidths Profile Storage
lower103 upper103
average |i-j|32 std.dev.30
minmaxave.std.dev.
lower bandwidth0 102 49 36
upper bandwidth0 102 49 36

Symmetric skyline storage requirement:30863

Heaviest diagonals
offset from main0 -1 1 -3 3 -2 2 -4 4 -6
nonzeros243 144 144 141 141 130 130 125 125 103
accumulated percent 4.10 6.53 8.9711.3513.7315.9218.1220.2322.3424.08

Top 10 out of 183 nonvoid diagonals.
Conditioning
Frobenius norm1.2e+02 condition number (est.)2.9e+05
2-norm (est.)25 diagonal dominanceno


Set Information

Set DRIVCAV_OLD
Source: Andrew Chapman (chapman@msi.umn.edu)
Discipline:Finite element modeling


The Matrix Market is a service of the Mathematical and Computational Sciences Division / Information Technology Laboratory / National Institute of Standards and Technology.

[ Home ] [ Search ] [ Browse ] [ Resources ]

Last change in this page: Wed Sep 22 13:33:58 US/Eastern 2004 [Comments: ]