The Matrix Market

Home Search Browse Resources

CAVITY05: 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


Matrix Statistics

Click on label to get an explanation.

Size Type
1182 x 1182, 32747 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
32632 883 15526 16223 15392
Column Data Row Data
Average nonzeros per column : 28
Standard deviation : 18

indexnonzeros
longest5 62
shortest1 1

Average nonzeros per row : 28
Standard deviation : 14

indexnonzeros
longest183 62
shortest1081 6

Bandwidths Profile Storage
lower178 upper178
average |i-j|55 std.dev.56
minmaxave.std.dev.
lower bandwidth0 177 1.2e+02 39
upper bandwidth0 177 1e+02 53

Nonsymmetric skyline storage 260907

Heaviest diagonals
offset from main0 3 2 1 -3 -2 -1 4 5 -4
nonzeros883 792 774 741 720 719 715 715 626 621
accumulated percent 2.71 5.13 7.50 9.7811.9814.1916.3818.5720.4922.39

Top 10 out of 223 nonvoid diagonals.
Conditioning
Frobenius norm1.9e+02 condition number (est.)Not available.
2-norm (est.)13 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 13:33:59 US/Eastern 2004 [Comments: ]