The Matrix Market

Home Search Browse Resources

FIDAPM33: Matrices generated by the FIDAP Package

from set FIDAP, 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 ] 536281 bytes


Matrix Statistics

Click on label to get an explanation.

Size Type
2353 x 2353, 23765 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
23145 1733 10706 10706 0
Column Data Row Data
Average nonzeros per column : 9.8
Standard deviation : 2.7

indexnonzeros
longest121 13
shortest45 2

Average nonzeros per row : 9.8
Standard deviation : 2.7

indexnonzeros
longest121 13
shortest45 2

Bandwidths Profile Storage
lower212 upper212
average |i-j|62 std.dev.62
minmaxave.std.dev.
lower bandwidth0 211 78 63
upper bandwidth0 211 78 63

Symmetric skyline storage requirement:185920

Heaviest diagonals
offset from main0 -4 4 -2 2 -1 1 -3 3 -76
nonzeros1733 1476 1476 958 958 584 584 394 394 303
accumulated percent 7.4913.8620.2424.3828.5231.0433.5735.2736.9738.28

Top 10 out of 413 nonvoid diagonals.
Conditioning
Frobenius norm4.9e+02 condition number (est.)1.16e+12
2-norm (est.)1.2e+02 diagonal dominanceno


Set Information

Set FIDAP
Source: Isaac Hasbani (Fluid Dynamics International) Barry Rackner (Minnesota Supercomputer Center)
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 13:34:03 US/Eastern 2004 [Comments: ]