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FIDAP035: 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
19716 x 19716, 218308 entries real unsymmetric
Nonzeros
totaldiagonalbelow diagonalabove diagonalA-A'
217972 19716 99128 99128 107008
Column Data Row Data
Average nonzeros per column : 11
Standard deviation : 4

indexnonzeros
longest258 18
shortest38 1

Average nonzeros per row : 11
Standard deviation : 3.9

indexnonzeros
longest258 18
shortest39 1

Bandwidths Profile Storage
lower165 upper165
average |i-j|81 std.dev.54
minmaxave.std.dev.
lower bandwidth0 164 1.2e+02 18
upper bandwidth0 164 1.2e+02 18

Nonsymmetric skyline storage 4707419

Heaviest diagonals
offset from main0 -118 118 5 -5 -113 113 -123 123 -114
nonzeros19716 19193 19193 16936 16770 16720 16720 16717 16717 3973
accumulated percent 9.0517.8526.6634.4342.1249.7957.4665.1372.8074.62

Top 10 out of 169 nonvoid diagonals.
Conditioning
Frobenius norm3.2e+08 condition number (est.)Not available.
2-norm (est.)3.5e+07 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: ]