The Matrix Market

Home Search Browse Resources

E40R0000: Driven cavity
driven cavity, 40x40 elements, Re=0

from set DRIVCAV, 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
17281 x 17281, 553956 entries real symmetric indefinite
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
553216 12482 270367 270367 0
Column Data Row Data
Average nonzeros per column : 32
Standard deviation : 16

indexnonzeros
longest453 62
shortest9 8

Average nonzeros per row : 32
Standard deviation : 16

indexnonzeros
longest453 62
shortest9 8

Bandwidths Profile Storage
lower452 upper452
average |i-j|2e+02 std.dev.2.1e+02
minmaxave.std.dev.
lower bandwidth0 451 4.3e+02 69
upper bandwidth0 451 4.3e+02 69

Symmetric skyline storage requirement:7510094

Heaviest diagonals
offset from main0 -2 2 -1 1 -3 3 -4 4 -5
nonzeros12482 12481 12481 12457 12457 12450 12450 12426 12426 12387
accumulated percent 2.26 4.51 6.77 9.0211.2713.5215.7718.0220.2722.50

Top 10 out of 399 nonvoid diagonals.
Conditioning
Frobenius norm7.9e+02 condition number (est.)Not available.
2-norm (est.)13 diagonal dominanceno


Set Information

Set DRIVCAV
Source: Andrew Chapman, University of Minnesota, chapman@msi.umn.edu
Discipline:Fluid dynamics
Accession:August 1996


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 13:33:57 US/Eastern 2004 [Comments: ]