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FIDAP024: Matrices generated by the FIDAP Package

from set FIDAP, from the SPARSKIT Collection

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Visualizations

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Structure Plot City Plot
structure plot city plot


Matrix Statistics

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Size Type
2283 x 2283, 48733 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
47897 1635 23120 23142 6556
Column Data Row Data
Average nonzeros per column : 21
Standard deviation : 8.6

indexnonzeros
longest507 46
shortest522 8

Average nonzeros per row : 21
Standard deviation : 8.6

indexnonzeros
longest507 46
shortest522 8

Bandwidths Profile Storage
lower168 upper168
average |i-j|45 std.dev.45
minmaxave.std.dev.
lower bandwidth0 167 72 50
upper bandwidth0 167 72 50

Nonsymmetric skyline storage 324237

Heaviest diagonals
offset from main-2 2 0 -4 4 3 -3 -5 5 1
nonzeros1922 1922 1635 1165 1159 1146 1141 782 782 769
accumulated percent 4.01 8.0311.4413.8716.2918.6821.0722.7024.3325.94

Top 10 out of 231 nonvoid diagonals.
Conditioning
Frobenius norm7.2e+02 condition number (est.)5.25e+05
2-norm (est.)89 diagonal dominanceno


Set Information

Set FIDAP
Source: Isaac Hasbani (Fluid Dynamics International) Barry Rackner (Minnesota Supercomputer Center)
Discipline:Finite element modeling


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Last change in this page: Wed Sep 22 13:34:02 US/Eastern 2004 [Comments: ]