The Matrix Market

Home Search Browse Resources

FIDAPM11: 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


Matrix Statistics

Click on label to get an explanation.

Size Type
22294 x 22294, 623554 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
617874 16614 300630 300630 20778
Column Data Row Data
Average nonzeros per column : 28
Standard deviation : 7.1

indexnonzeros
longest2380 43
shortest5196 5

Average nonzeros per row : 28
Standard deviation : 7.1

indexnonzeros
longest2380 43
shortest5196 5

Bandwidths Profile Storage
lower6506 upper6506
average |i-j|3e+02 std.dev.4.5e+02
minmaxave.std.dev.
lower bandwidth0 6505 4.9e+02 5.3e+02
upper bandwidth0 6505 4.9e+02 5.3e+02

Symmetric skyline storage requirement:21866346

Heaviest diagonals
offset from main0 -4 4 -2 2 -3 3 -33 33 -1
nonzeros16614 13527 13527 6395 6395 6389 6389 6012 6012 5528
accumulated percent 2.69 4.88 7.07 8.10 9.1410.1711.2112.1813.1514.05

Top 10 out of 4981 nonvoid diagonals.
Conditioning
Frobenius norm26 condition number (est.)Not available.
2-norm (est.)1.7 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: ]